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Boasting 6,080 square inches of sleeping space, king mattresses offer more room to stretch out than any other standard mattress size. While the allure of spaciousness is undeniable, it’s important to take other factors into account when choosing the right king mattress. These include not only mattress quality and performance, but also your budget, bedroom size, and even the logistics of moving the mattress. If you’d like to learn more about the top mattresses overall, check out our guide to best mattresses of 2025.
- Our top choice—the Helix Midnight Luxe—is a true crowd-pleaser. Specifically designed to cater to most sleeper positions and body types, it’s hard to go wrong with the Midnight Luxe.
- In addition to the normal array of tests all our mattresses go through, king mattresses get special attention paid to edge support and sinkage. Read more in our buyer’s guide.
- If you just want a quick overview, our 1-minute video reviews are a great place to start. Give them a watch to start your search.
Our Top Picks
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Best Mattress Overall – Helix Midnight Luxe
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Most Comfortable Mattress – DreamCloud Mattress
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Best Luxury Mattress – Saatva Classic
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Best Mattress for Back Pain – WinkBed
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Best Mattress for Couples – Leesa Sapira Hybrid
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Best Mattress for Side Sleepers – Nolah Evolution 15
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Best Organic Mattress – Birch Mattress
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Best Mattress Overall
Helix Midnight Luxe
9.7 /10
Test Lab Score
25% off sitewide
25% off sitewide
The Helix Midnight Luxe takes the top spot for a king mattress because of its versatility. It’s effective for a wide variety of sleep positions, limits vibrations across the mattress surface, and offers an appealing balance of cushioning and support.




Credit: Sleep Foundation Test Lab
Price
$1,899
Mattress Type
Hybrid
Firmness Options
Medium Firm (6)
Trial Period
100 nights (30-night requirement)
At a Glance
- Who It’s Best For: Side and back sleepers who weigh up to 230 pounds, as well as couples.
- Feel: Medium firm (6) and gently cradles joints without sacrificing a flat, even surface. Resists overheating and reduces motion transfer.
- What It’s Made Of: Three comfort layers: the top two of memory foam, then transitional polyfoam, and finally, a support core with a layer of zoned metal coils and an underlying layer of polyfoam.
- What We Don’t Like: Lacks firmness for some people over 230 pounds and not very springy.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 5876 validated customer reviews of the Helix Midnight Luxe. This is what people who bought the mattress had to say:- Comfort and Support: Many reviewers express that the mattress provides exceptional comfort and support, especially noting its ability to alleviate back, hip, and shoulder pain.
- Sleep Quality Improvement: The mattress is frequently described as transformative for those who previously struggled with sleep disturbances.
- Temperature Regulation: Positive remarks are made about the cooling properties of the mattress. Users find the cooling aspect effective, helping to maintain a comfortable sleeping temperature throughout the night.
- Customer Service: Experiences with customer service are predominantly positive, with buyers appreciating the responsive and helpful nature of the support team. Issues are resolved satisfactorily, contributing to a positive overall customer experience.
- Durability Concerns: A few reviewers express concerns about the mattress showing signs of wear or sagging prematurely. These concerns are not widespread but are significant enough to be noted by potential buyers.
- Mixed Reviews on Firmness: While many find the mattress perfectly balanced, there are mixed reviews regarding its firmness. Some users find it softer than expected given its firmness level. While the ‘medium firm’ rating is appropriate by our measurements, the bed does have a ‘cushy’ foam feel that makes for a fairly soft surface feel.
Full Details
The Helix Midnight is one of the brand’s best-selling models, which isn’t surprising — the adaptive memory foam and sturdy pocketed coils create an exceptionally balanced medium-firm (6) feel. While the Midnight is geared toward side sleepers between 130 and 230 pounds, our tests show this mattress holds a lot of appeal for those with different body types and sleep positions.
How It Performs
During our hands-on tests, the Midnight earned its most favorable ratings from side and back sleepers weighing up to 230 pounds and stomach sleepers under 130 pounds. That said, some of our testers found the mattress either too soft or too firm.
We found the Midnight performed well for motion isolation and pressure relief, two testing areas where hybrids often struggle. At the same time, the mattress is responsive enough to resist deep sinkage, and the reinforced perimeter helps ensure decent edge support. You may notice some initial off-gassing odor, but our tests suggest these smells will dissipate in a day or two.
Construction Breakdown
The Midnight Luxe begins with a two memory foam comfort layers, followed by a polyfoam transitional layer. Pocketed coils and dense base foam make up the support core. The perimeter coils are thicker to reinforce the edges and prevent you from sinking too deeply when getting in and out of bed. A breathable Tencel cover encases the mattress, and you can upgrade to a heat-dissipating GlacioTex cover for an extra fee.
Trial, Shipping, Warranty
Helix offers free ground delivery throughout the contiguous U.S. Your purchase includes a 100-night trial period. You may return the mattress at any point during the trial for a full refund, and Helix will cover the shipping charges. For those who keep their Midnight Luxe, the mattress is covered under a lifetime manufacturer’s warranty.
Most Comfortable Mattress
DreamCloud Mattress
8.5 /10
Test Lab Score
50% off mattresses + $599 worth of free accessories
50% off mattresses + $599 worth of free accessories
If you want a hybrid for your new king mattress, the DreamCloud is just the ticket. It’s even well-balanced feel offers excellent support for your neck, hips, and shoulders. Sleepers often credit the DreamCloud Mattress with improving their comfort and nightly sleep.


Credit: Sleep Foundation Test Lab
Price
$699
Mattress Type
Hybrid
Firmness Options
Medium Firm (6)
Trial Period
365 nights (30-night requirement)
At a Glance
- Who It’s Best For: Side and back sleepers between 130 and 230 pounds, as well as couples.
- Feel: Medium firm (6) mattress and luxurious, while sturdy and supportive enough to prevent excessive sinking.
- What It’s Made Of: Cashmere cover, polyfoam top layer, layers of memory foam and polyfoam, and supportive core made of pocketed coils.
- What We Don’t Like: Reports from customers of indentations and sagging after a few years. Not the easiest bed to move around on.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 8729 validated customer reviews of the DreamCloud Mattress. This is what people who bought the mattress had to say:- Comfort and Firmness: Many users describe the mattress as having a medium-firm feel that balances support and plushness, catering to various sleep positions.
- Motion Isolation: Couples appreciate the mattress’s ability to minimize motion transfer, allowing for undisturbed sleep even when sharing the bed with a partner. This quality is essential for those sensitive to movement during sleep.
- Pain Relief: Numerous customers report significant relief from back and joint pain, attributing this to the mattress’s supportive structure and pressure-relieving memory foam layers. This is consistent with expert recommendations for mattresses that promote spinal alignment.
- Temperature Regulation: The mattress’s cooling technology is frequently praised, with users noting a comfortable sleep temperature throughout the night. This feature is particularly beneficial for hot sleepers seeking a cooler sleep environment.
- Edge Support: Users mention strong edge support, providing confidence when sitting or sleeping near the mattress’s perimeter. This feature maximizes the usable sleep surface and enhances overall stability.
- Durability and Quality: Customers commend the high-quality materials and construction, expressing satisfaction with the mattress’s durability and longevity. The lifetime warranty further reinforces confidence in the product’s endurance.
- Customer Service and Trial Period: The 365-night trial period and responsive customer service are highlighted as significant advantages, providing peace of mind and flexibility during the purchasing process.
Full Details
The DreamCloud is a luxury hybrid that combines the coil support of a traditional spring with the deep contouring of an all-foam mattress. Our team was impressed with the DreamCloud’s performance in areas where hybrids tend to fall short, such as pressure relief and motion isolation. The cushioning comfort layers and sturdy support system also made the mattress popular with our testers across different weight and sleep position groups.
How It Performs
We’ve rated the DreamCloud as a medium firm (6), and its body contouring and overall support should appeal to anyone who needs a balanced feel to sleep comfortably. During our sleeper tests, the DreamCloud earned its most favorable ratings from side sleepers weighing at least 130 pounds, though back and stomach sleepers across all weight groups gave the mattress a rating of “good” or better.
Pressure relief was good, thanks to its thick foam layers. Motion isolation was another highlight for our team. Unlike most hybrids, which feel responsive and bouncy to a degree, the DreamCloud eliminated most transfer on the surface.
Construction Breakdown
Soft foam quilted into a pillow-top gives the DreamCloud a plush, adaptive feel. By comparison, most of the hybrids we’ve tested feel firmer and more rigid on the surface. Secondary foam layers add cushioning, while a pocketed coil support core stabilizes the mattress and prevents you from sinking too much.
The mattress is encased in a cashmere-blend cover with cooling and moisture-wicking properties. We found this fabric effectively offset heat absorption in the foam layers — our temperature control tests revealed minimal heat buildup. At 14 inches thick, the DreamCloud is not only a high-profile mattress but also one of the thickest mainstream mattresses we’ve tested firsthand.
Trial, Shipping, and Warranty
The DreamCloud Mattress is priced competitively for a hybrid model and ground shipping is free for all buyers in the contiguous U.S. The company’s sleep trial lasts an entire year. If you keep the DreamCloud, you’ll also receive a lifetime warranty that covers structural defects for as long as you own the mattress.
Best Value Mattress
Brooklyn Bedding CopperFlex Memory Foam
8.6 /10
Test Lab Score
25% off sitewide. Code: PRESDAY25
25% off sitewide. Code: PRESDAY25
The Brooklyn Bedding Copper Flex Memory Foam is a sophisticated, six-layer mattress engineered for deep pressure relief and above-average cooling. An approachable sticker price also makes this all-foam model appealing to shoppers with limited budgets.

Credit: Sleep Foundation Test Lab
Price
$499
Mattress Type
Foam
Firmness Options
Medium Firm (6)
Trial Period
120 nights (30-night requirement)
At a Glance
- Who It’s Best For: Side sleepers who weigh at least 130 and back sleepers up to 230 pounds, as well as couples.
- Feel: Medium firm (6) with plush foam layers and a dense base layer for limited sinkage. Relatively cool surface.
- What It’s Made Of: Thin cover layer of adaptive foam, two memory foam layers encased in Euro-top, comfort layer for transitional support, and two-layer support core composed of high-density polyfoam. Cover is GlacioTex, a proprietary cooling fabric.
- What We Don’t Like: Initial off-gassing for at least 48 hours after unboxing. Extra sinkage for back and stomach sleepers over 230 pounds.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 549 validated customer reviews of the Brooklyn Bedding Essential. This is what people who bought the mattress had to say:- Pricing and Value: Many reviewers have highlighted that the mattress is affordable and offers great value for the price, making it an excellent choice for budget-conscious shoppers.
- Heat Regulation: Several users noted that the mattress does not retain heat, which contributes to a cooler and more comfortable sleep, especially for those who tend to sleep hot.
- Edge Support: The mattress is reported to have good edge support, which is beneficial for those who use the edge of the bed frequently or sleep close to the sides.
- Odor and Off-Gassing: Some reviews mention that the mattress has minimal off-gassing odor upon unpacking, which is a common concern with new mattresses. The smell will dissipate in a few days.
- Hybrid Option: The availability of hybrid models is appreciated, particularly for those needing more support, such as individuals with larger frames.
- Customer Service: Positive remarks about customer service suggest that the company handles queries and issues effectively.
Full Details
Brooklyn Bedding’s CopperFlex Memory Foam is one example of a well-crafted mattress that’s also easy on your wallet. Plush memory foam layers provide next-level cushioning beneath the surface and — thanks to cooling copper infusions — also resist heat buildup fairly well. Zoned transitional foam and dense support layers help ensure you won’t sink too deeply into the mattress.
How It Performs
The CopperFlex Memory Foam is medium firm (6). After evaluating the mattress in our Test Lab, we found it best suited to side sleepers weighing 130 pounds or more, back sleepers weighing 230 pounds or less, and stomach sleepers under 130 pounds. The mattress hits a sweet spot for people who want a plush, adaptive surface that pushes back enough to keep their body on an even plane.
Motion isolation proved to be a major strength during our tests. All six of the CopperFlex’s layers work together to absorb movement and prevent motion from transferring to other areas of the mattress. This is key for couples and co-sleepers. For temperature control, we noticed some heat buildup on the surface, but this is to be expected of an all-foam bed. Overall, the CopperFlex slept noticeably cooler than many of the other foam models we’ve tested.
Construction Breakdown
The CopperFlex’s first layer consists of adaptive polyfoam quilted to the cover, followed by two memory foam layers that create a close contour around your entire body. A zoned transitional layer provides additional cushioning while pushing back against your midsection and preventing you from sinking too deeply into the mattress.
Two high-density polyfoam layers make up the support core and stabilize the mattress. The cover is made of GlacioTex fabric designed to feel cool to the touch at all times and dissipate body heat.
Trial, Shipping, and Warranty
The Brooklyn Bedding CopperFlex Memory Foam qualifies for free ground shipping throughout the contiguous U.S. Each order includes a sleep trial that runs for 120 nights. Your purchase is also covered under a lifetime warranty against manufacturing defects.
Best Luxury Mattress
Saatva Classic
9.4 /10
Test Lab Score
$300 off mattress purchases of $1,000 or more
$300 off mattress purchases of $1,000 or more
A top-tier mattress that performs well in all categories, the Saatva Classic is our choice for the best luxury king mattress. On top of quality design, durable materials, and three firmness levels to choose from, this mattress includes free White Glove delivery as an added perk.


Credit: Sleep Foundation Test Lab
Price
$1,795
Mattress Type
Innerspring
Firmness Options
Soft (3), Medium Firm (6), Firm (8)
Trial Period
365 Nights ($99 Return Fee)
At a Glance
- Who It’s Best For: People of nearly every weight and sleeping position, as well as hot sleepers.
- Feel: Plush soft (3), luxury firm (6) and firm (8), all with impressive comfort, significant edge support, and moderate bounce.
- What It’s Made Of: Polyfoam and memory foam top layer, a layer of thin micro-coils, and a tall layer of metal coils reinforced around the perimeter.
- What We Don’t Like: Firmest model too firm for sleepers under 130 pounds and plush model not firm enough for sleepers over 130 pounds. Return fee of $99.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 3308 validated customer reviews of the Saatva Classic. This is what people who bought the mattress had to say:- Delivery Service: Positive feedback on the delivery process is common, with customers highlighting the professionalism and efficiency of the delivery teams. The white glove delivery service, including old mattress removal, is frequently praised.
- Comfort and Firmness: Customers appreciate the customizable firmness options, with Plush Soft, Luxury Firm, and Firm levels catering to diverse preferences.
- Durability: Long-term users report that the mattress maintains its comfort and support over the years, indicating good durability and quality construction.
- Material Quality: Customers appreciate the safe and high-quality materials used in the mattress, such as the absence of harmful chemicals and the use of organic cotton.
- Temperature Regulation: Some reviewers specifically mention sleeping cooler on the Saatva Classic, highlighting its temperature regulation features that contribute to a more comfortable sleep.
- Adjustability and Customization: The ability to customize the mattress for personal needs, like the split king option with different firmness levels, is a significant plus for many customers.
Full Details
The Saatva Classic is a high-end mattress that falls well below average in terms of cost. Free White Glove delivery and a year-long sleep trial should sweeten the deal if you’re seeking a high-value bed.
How It Performed
The most comfortable version of the Saatva Classic for any given person depends on their body weight and primary sleep position. During our hands-on tests, the soft model was most popular among our side sleepers weighing up to 230 pounds and our back sleepers under 130 pounds. This model contours very closely to cushion your body and reduce pressure along your spine. The firm design provided adequate reinforcement for our back and stomach sleepers weighing at least 130 pounds, as well as our side sleepers over 230 pounds. If you’re looking for a balance of conforming and support, we recommend the medium firm. We found this the most balanced design of the three.
The Saatva Classic excelled at cooling, particularly the medium-firm and firm models. We also measured minimal perimeter sinkage on these models during our edge support tests, and most of us could move across them without sinking too much. The soft Classic outperformed the firmer models in other areas, including motion isolation and pressure relief.
Construction Breakdown
The Classic is available in three firmness levels: soft (3), medium firm (6), and firm (8). All three share the same general construction, which begins with a Euro-top cover. Layers of adaptive foam and fiber fill give the mattress an invitingly plush surface, while a strip of dense memory foam cradles the lower back. Even on the firmest model, we noticed deep cushioning from these layers. The pocketed, mini-coil transitional layer maintained an even surface for our bodies, resulting in minimal sinkage for most of our testers.
The support core contains recycled-steel hourglass coils with a low gauge of 13, ensuring robust support. You can choose between an 11.5-inch mattress with 4-inch coils or a 14.5-inch model with 7-inch coils. We recommend the latter for people weighing more than 230 pounds, though our tests showed both designs are highly supportive. A cover made of breathable organic cotton encases the entire mattress.
Trial, Shipping, Warranty
Saatva is one of the only online mattress brands that offers free White Glove delivery to all customers in the contiguous U.S. This service includes full assembly in a room of your choice and removal of your old mattress and/or foundation at no extra charge. You’ll also receive 365 days to test out the Saatva Classic, as well as a lifetime warranty.
Best Mattress for Back Pain
WinkBed
8.9 /10
Test Lab Score
Get $300 off all mattresses at Winkbeds
Get $300 off all mattresses at Winkbeds
The design and performance of the WinkBed make it top choice for addressing back pain. You can choose from three firmness levels, and its ability to support the lower back and enhance spinal alignment put you one step closer to pain relief.


Credit: Sleep Foundation Test Lab
Price
$1,499
Mattress Type
Innerspring
Firmness Options
Medium Soft (4), Medium Firm (6), Firm (7), Firm (8)
Trial Period
120 nights (30 night requirement)
At a Glance
- Who It’s Best For: Side and back sleepers under 230 pounds.
- Feel: Options range from medium soft (4) to firm (8), all with a degree of bounce and strong edge support.
- What It’s Made Of: Support core of metal coils and polyfoam top layers (WinkBed Plus uses natural latex instead).
- What We Don’t Like: Bounce can cause motion to spread.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 8573 validated customer reviews of the Winkbed. This is what people who bought the mattress had to say:- Pain Relief and Support: A significant number of users report alleviation of back, hip, and shoulder pain, attributing this to the mattress’s supportive design. Individuals with chronic back issues have noted substantial improvements in sleep quality.
- Comfort Across Sleep Positions: Reviewers from various sleep positions—side, back, and stomach—find the mattress comfortable. The availability of different firmness levels allows users to select options that best suit their sleeping style.
- Temperature Regulation: Many customers appreciate the mattress’s ability to stay cool, enhancing overall comfort throughout the night.
- Edge Support: Users frequently mention the robust edge support, which provides a stable and usable sleeping surface across the entire mattress.
- Firmness Options: Customers appreciate the variety of firmness options available, finding the right balance for their personal preferences.
- Durability and Craftsmanship: The mattress is often praised for its high-quality construction and materials, with users expressing confidence in its longevity. The lifetime warranty further reinforces trust in the product’s durability.
- Customer Service and Trial Experience: Customers value the 120-night risk-free trial and responsive customer service, noting that these factors contribute to a positive purchasing experience.
Full Details
The WinkBed is a versatile hybrid available in four different firmness levels. Our team tested all four designs in our lab, and each person found at least one firmness that felt comfortable and sufficiently supportive. Thanks to the generous WinkBeds return policy, you can exchange your initial firmness for a softer or firmer model if you aren’t happy with your first choice.
How It Performs
We found that the Softer WinkBed conforms more closely than its firmer counterparts. This mattress was most popular among our side sleepers up to 230 pounds and our back and stomach sleepers under 130 pounds. The Luxury Firm will likely meet your needs if you’re seeking a balance of cushioning and support. This model earned stellar ratings from our side, back, and stomach sleepers across most weight groups. If you weigh more than 230 pounds and sleep on your back or stomach, then the Firmer or WinkBed Plus should provide adequate support.
Our testing also indicates the mattress is a good option for hot sleepers, thanks to the breathable Tencel cover and a coil system that promotes steady air circulation through the interior. Other strengths of the mattress include strong edge support, good ease of movement across the surface, and above-average motion isolation.
Construction Breakdown
Standard WinkBed models include the Softer (4), Luxury Firm (6), and Firmer (7). These mattresses begin with Euro-top layers containing adaptive foam, followed by an additional foam layer. We found that the cushioning level varied by firmness, but all three standard designs contoured evenly to distribute our weight and reduce pressure in sensitive spots like the shoulders and hips. The fourth option, WinkBed Plus (8), swaps out the second layer for responsive latex, resulting in a more supportive feel. WinkBed has specifically designed the Plus for people who weigh more than 230 pounds, and this claim was confirmed by most of our testers in this weight range.
All four WinkBed models contain pocketed coil support cores. The coils are divided into zones based on where people carry more weight. Our testers noticed significant pushback around the torso and hips and a gentler feel beneath the head, shoulders, and legs. Extra reinforcement stabilizes the perimeter to reduce sinkage when you get in and out of bed. Thanks to this configuration, most versions of the WinkBed aced our edge support tests.
Trial, Shipping, Warranty
WinkBeds offers a 120-night sleep trial and a lifetime warranty against workmanship and manufacturing defects. Shipping is free within the contiguous U.S.
Best Mattress for Couples
Leesa Sapira Hybrid
8.9 /10
Test Lab Score
25% off all mattresses
25% off all mattresses
Couples love the Leesa Sapira Hybrid for its dependable all-around performance. With a blend of cushioning and tailored support, it works for most sleepers. It also effectively isolates motion so that movement on one side of the bed is barely detectable on the other side.

Credit: Sleep Foundation Test Lab
Price
$1,599
Mattress Type
Hybrid
Firmness Options
Medium Firm (6)
Trial Period
100 nights (30 night requirement)
At a Glance
- Who It’s Best For: Side sleepers, most back, and stomach sleepers under 230 pounds, as well as couples.
- Feel: Medium firm (6) with gentle cushioning around the midsection, hips, and shoulders.
- What It’s Made Of: Four different layers of foam, including memory foam and polyfoam. Support core of innerspring coils and a base layer of high-density polyfoam.
- What We Don’t Like: A bit too soft for back and stomach sleepers over 230 pounds. Above-average price point.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 2257 validated customer reviews of the Leesa Sapira Hybrid. This is what people who bought the mattress had to say:- Comfort and Support: Many reviewers mention the mattress’s blend of comfort and support, often highlighting its suitability for side and back sleepers, and its ability to alleviate or prevent pain (back, hip, or shoulder).
- Temperature Regulation: Customers note the breathable construction helps regulate temperature, ensuring a cooler sleep experience.
- Durability and Longevity: Positive comments on how the mattress maintains its shape and comfort over several years without sagging or indentations.
- Motion Isolation: The mattress performs well in minimizing motion transfer, making it an excellent choice for couples.
- Odor and Off-gassing: Some mention initial off-gassing smells upon unpacking, but most report that the odor dissipates quickly.
- Edge Support: Good reviews on the edge support of the mattress, which is important for those who sit on the edge of the bed or sleep near the edge.
- Value for Money: Many users feel that the mattress provides good value for the price, especially given its comfort and durability features.
Full Details
The Leesa Sapira Hybrid checks all of the important boxes for couples and co-sleepers. Thick foam comfort layers absorb movement and minimize motion transfer, breathable materials help you and your partner stay cool, and the sturdy coil system ensures robust edge support and a responsive surface. Competitive pricing further sweetens the deal if you’re shopping with a limited budget.
How It Performs
Our tests show the Sapira Hybrid is a good match for side sleepers weighing at least 130 pounds, and back and stomach sleepers weighing less than 130 pounds. We also found the mattress sleeps exceptionally cool. This can be attributed to the breathable cover, aerated top layer, and steady airflow throughout the coil system. None of our testers noticed excessive heat retention despite the thick foam layers.
Other performance areas where the Sapira Hybrid excelled include motion isolation, edge support, and ease of movement. You may notice some strong off-gassing smells after unboxing the mattress, but these smells should dissipate within a day or two.
Construction Breakdown
The Sapira Hybrid’s topmost layer is composed of adaptive polyfoam ventilated with small holes, allowing air to circulate directly beneath the surface. Memory foam and transitional polyfoam layers provide additional cushioning. The mattress has a medium firm (6) feel, so you’ll notice some plushness when you get into bed but strong overall support as your body settles into the mattress.
Pocketed coils and high-density base foam make up the support core. The perimeter coils are reinforced to prevent excessive sinkage when you sleep or sit along the edges. A breathable knit cover styled with Leesa’s signature stripe pattern encases the mattress.
Trial, Shipping, and Warranty
Leesa offers free shipping to all 50 states, and your order includes two free pillows. The company’s sleep trial runs for 100 nights. You may return the mattress for a full refund during this time frame. Should you decide to keep it, your purchase is backed by a lifetime manufacturer’s warranty.
Best Mattress for Side Sleepers
Nolah Evolution 15
8.7 /10
Test Lab Score
25% off sitewide. Save an additional $50 with code: SF50
25% off sitewide. Save an additional $50 with code: SF50
The Nolah Evolution lets side sleepers level up their sleep posture and spinal alignment. Its cushioning is dialed-in to the needs of side sleepers, who need pressure relief around the hips and shoulders without plunging too deeply into the mattress.


Credit: Sleep Foundation Test Lab
Price
$1,424
Mattress Type
Hybrid
Firmness Options
Medium (5), Medium Firm (6), Firm (8)
Trial Period
120 nights (30-night requirement), $99 return pickup fee
At a Glance
- Who It’s Best For: Side sleepers.
- Feel: Exceptionally comfortable and supportive around the spine and joints. Firmness options: medium (5), medium firm (6), and firm (8).
- What It’s Made Of: Four top layers made with resilient polyfoams and a base layer of sturdy, zoned, pocketed coils.
- What We Don’t Like: Height may require a fitted sheet with deep pockets. Return fee of $99.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 897 validated customer reviews of the Nolah Evolution 15. This is what people who bought the mattress had to say:- Motion Isolation: Couples note the excellent motion isolation, which minimizes disruptions from partner movements during the night.
- Edge Support: The edge support of the mattress is frequently highlighted, with many finding it adequate for sitting or sleeping near the edge without feeling like they will roll off.
- Softness: Many reviewers discuss the softness of the mattress. Some find it too soft, causing discomfort, especially for heavier individuals, while others appreciate the plushness.
- Pressure Relief and Support: Reviewers frequently highlight relief from back and shoulder pain, attributing this to the supportive foam layers and zoned coil system.
- Heat Retention: A few reviewers note that the mattress retains heat, making it uncomfortable for some, particularly in warmer climates or for those who sleep hot.
- Durability and Quality: Users often comment on the high quality and durability of the mattress, noting that it maintains its shape and comfort over time.
Full Details
The Nolah Evolution 15’s foam hybrid design offers ample cushioning along the spine, while zoned coils prevent uncomfortable sagging. Thanks to these features, we highly recommend the mattress if you struggle with joint or lumbar pain due to spinal misalignment.
How It Performs
The Evolution 15 comes in three firmness levels — medium (5), medium firm (6), and firm (7). Our testing found the plushest model suitable for side sleepers up to 230 pounds and back sleepers weighing under 130 pounds, who often prefer extra cushioning for pressure points. The medium-firm feel was the most versatile, appealing to our side sleepers over 230 pounds, back sleepers up to 230 pounds, and stomach sleepers between 130 and 230 pounds. Our back sleepers who weigh at least 130 pounds and stomach sleepers over 230 pounds enjoyed the firmest model’s even contouring.
Depending on the firmness level, the Evolution 15 varied in performance across our testing criteria. The softest model absorbed most movement transfer and noise, making it a great choice if you share the bed with a restless sleep partner. Couples who value responsiveness for sex may prefer the two firmer models, which earned higher marks in our ease of movement and edge support tests. All models performed exceptionally well in our temperature regulation tests, thanks to the breathable cover and airflow through the support core.
Construction Breakdown
A Euro-top quilted with polyfoam begins the Evolution 15’s comfort system, giving the surface a plush feel. Underneath is graphite-infused polyfoam that offers cushioning to pressure points. The graphite in this layer is engineered to absorb and dissipate excess body heat. A transitional layer of polyfoam acts as a buffer between the comfort system and coils, preventing you from sinking too deeply.
Pocketed coils in a zoned configuration make up the support core. These coils offer ample pushback to the midsection, where many people carry a disproportionate amount of weight. Extra coils also line the perimeter of the mattress to reinforce the edges. The coils rest on a polyfoam base layer for extra stability. A cover made from ArcticTex fiber, which is engineered for cooling, encases the mattress.
Trial, Shipping, and Warranty
Nolah offers free shipping to all customers in the contiguous U.S. You can test the Evolution 15 with a 120-night sleep trial. You can return the mattress anytime after the 30-night break-in period. If you decide to keep the mattress, it’s backed by a lifetime warranty.
Best Pillow-Top Mattress
Brooklyn Bedding Aurora Luxe
9.2 /10
Test Lab Score
25% off sitewide. Code: PRESDAY25
25% off sitewide. Code: PRESDAY25
If you’re ready to stop waking up in a sweat, look no further than the Brooklyn Bedding Aurora Luxe. With a breathable cover and materials that fend off heat buildup, this mattress maintains a neutral temperature while offering solid comfort and back support.


Credit: Sleep Foundation Test Lab
Price
$1,586
Mattress Type
Hybrid
Firmness Options
Medium Soft (4), Medium Firm (6), Firm (7)
Trial Period
120 nights (30-night requirement)
At a Glance
- Who It’s Best For: Hot sleepers, as well as most back and side sleepers under 230 pounds.
- Feel: Reliable and stout but cushiony. Available in soft (4), medium-firm (6), and firm (7) firmness levels.
- What It’s Made Of: Multiple layers of quilted fabric and foam on top of an 8-inch base of pocketed metal coils.
- What We Fon’t Like: Smell after unboxing, lasting a few nights. Return fee of $99.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 3474 validated customer reviews of the Brooklyn Bedding Aurora Luxe. This is what people who bought the mattress had to say:- Height and Thickness: Many reviewers mention the mattress being taller or thicker than anticipated, requiring adjustments like new bed sheets.
- Comfort and Support: Consistent mentions of the mattress providing good support and comfort, suitable for various sleeping positions and body types.
- Cooling Features: A significant number of people appreciate the cooling aspect of the mattress, which is particularly beneficial for hot sleepers.
- Firmness Levels: Some reviewers note discrepancies in the expected versus actual firmness levels, with some finding the mattresses softer than anticipated.
- Edge Support: Mixed reviews on edge support, with some finding it adequate and others noting it could be improved. We found it to be relatively average for a hybrid
- Material Quality: Reviews often mention the high quality of materials, though some note issues with sheets slipping off due to the sleekness of the mattress cover.
- Smell and Off-Gassing: Some mention a noticeable smell upon unpacking that dissipates over time.
Full Details
Mattresses made with foam layers tend to trap heat on the surface, but the Brooklyn Bedding Aurora Luxe is a notable exception. Our temperature control tests detected minimal heat retention, which we’ve attributed to the phase change material (PCM) infused in the Aurora Luxe’s cover and comfort layer. A coil system that generates steady airflow provides additional cooling. Even if you’re an exceptionally hot sleeper, this mattress should keep you cool and comfortable throughout the night.
How It Performs
Our testers noted that all Aurora Luxe models offered a great balance of cushioning and support, but each provides distinct benefits depending on your sleep needs and preferences. Our side and back sleepers who weigh under 130 pounds enjoyed the softest model’s plush feel. The medium firm model was the most versatile and balanced. It performed best among side sleepers between 130 and 230 pounds, as well as back and stomach sleepers under 130 pounds. If you are a back or stomach sleeper weighing at least 130 pounds, you may prefer the firmest model’s even support.
Our testing found the mattress alleviates pressure points very well across firmness levels. We also recommend all models for couples who don’t want to choose between a mattress that isolates motion and one that’s responsive for sex. However, we recommend opting for the softer model if you prioritize motion isolation.
Construction Breakdown
The Aurora Luxe comes in three firmness levels: medium soft (4), medium firm (6), and firm (7). All three feature a top layer made from CopperFlex polyfoam, a proprietary foam that’s more responsive while still adding cushioning. The foam is infused with copper engineered to conduct heat away from your body and phase change material meant to regulate temperature. Next is a layer of responsive TitanFlex foam that prevents you from sinking excessively. For an additional fee, you can upgrade your mattress with an extra foam layer in the comfort system. This layer is known as the “Cloud” pillow-top, and will make your sleep surface feel a bit softer.
Depending on the firmness option you choose, the comfort system’s final layer differs. The two softer models have an adaptive gel-infused memory foam layer that acts as a buffer between your body and the coil support core. Meanwhile, the firmer option has a second layer of TitanFlex foam to help you maintain healthy sleep posture.
The support core uses pocketed coils in a zoned configuration. Thinner coils cushion your legs and shoulders while thicker ones provide pushback to your midsection and bolster the mattress perimeter. A polyfoam base layer prevents the coils from shifting, and a fabric cover with phase change material encases the mattress.
Trial, Shipping, and Warranty
Shipping is free if you live in the contiguous U.S., and Brooklyn Bedding offers a 120-night sleep trial. You can return the mattress for a full refund anytime after the 30-night break-in period. If you decide to keep the Aurora Luxe, it’s backed by a lifetime warranty.
Best Mattress for Pressure Relief
Bear Elite Hybrid
8.5 /10
Test Lab Score
35% off + free pillows with code: SF35
35% off + free pillows with code: SF35
The meticulously crafted Bear Elite Hybrid is our top choice for people who need pressure relief to get more comfortable in bed and wake up without aches and pains. The mattress design features unique materials specially engineered to reduce heat retention and speed up muscle recovery.

Credit: Sleep Foundation Test Lab
Price
$1,499
Mattress Type
Hybrid
Firmness Options
Medium (5), Medium Firm (6), Firm (8)
Trial Period
120 nights (30-night break-in period)
At a Glance
- Who It’s Best For: Sleepers looking for pain relief, spinal support, and a cool sleep surface.
- Feel: Sturdy, springy feel that gently cradles the body. Firmness levels of medium (5), medium firm (6), or firm (8).
- What It’s Made Of: Copper-infused memory foam on top of polyfoam with denser zones. Support core made of dense polyfoam and thick coils and a cover made of Celliant fabric.
- What We Don’t Like: Taller than most mattresses, requiring a fitted sheet with deep pockets. Potential for “new mattress smell” that can last for a few days.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 3703 validated customer reviews of the Bear Elite Hybrid. This is what people who bought the mattress had to say:- Comfort and Support: Many reviewers highlight the mattress’s balance of comfort and support, often mentioning relief from back pain and improved sleep quality.
- Firmness Options: Customers appreciate the various firmness options, with some opting for firmer versions after experiencing discomfort with medium firmness.
- Temperature Regulation: Several reviews note the mattress’s ability to stay cool, which enhances sleep quality, especially in hot weather.
- Size and Upgrade Options: Customers are pleased with the availability of different sizes and the option to upgrade, which provides flexibility for different needs and preferences.
- Quality of Additional Products: Positive remarks on the quality of accompanying products like pillows and sheets, which are often included as free additions.
- Motion Isolation: Many reviewers highlight the mattress’s excellent motion isolation, making it ideal for shared sleeping arrangements.
Full Details
Many people experience upper or lower back pain because their mattress sinks excessively around the midsection. The Bear Elite Hybrid remedies this with a robust support system consisting of zoned transitional polyfoam and robust pocketed coils. Adaptive memory foam cushions the surface, contouring evenly for added pain relief, and you can choose from three firmness levels based on your body type and sleep position.
How It Performs
The Elite Hybrid’s medium (5) design earned its most favorable ratings from our side and back sleepers under 130 pounds. This model contours closely to the body. Despite the zoned transitional foam, you’ll feel a close “hug” from the mattress. Our testing team found the medium firm (6) design to be the most balanced of the three firmness options. You can expect gentle conforming and even overall support from this model. If you need extra reinforcement and minimal cushioning from your sleep surface, we recommend the firm (8) Elite Hybrid — this model was popular among our back and stomach sleepers weighing more than 230 pounds.
Temperature control proved to be a strong performance area for the Elite Hybrid during our tests. Thermal sensors detected minimal heat buildup, especially on the two firmest models, and none of our testers reported uncomfortable heat retention. We also found the perimeter stable when testing the mattress for edge support, and the surface was responsive enough to facilitate movement without excessive sinkage or resistance.
Construction Breakdown
The Elite Hybrid’s comfort system consists of gel-infused memory foam over transitional polyfoam. Both layers provide even contouring to distribute your weight and alleviate pressure along the spine. The transitional layer is divided into five firmness zones, so you’ll feel more pushback beneath your midsection and gentler cradling for lighter areas of the body.
Pocketed coils and dense base foam make up the support core. Thicker coils line the perimeter to protect the edges of your mattress from sinkage when you get in and out of bed. The cover is composed of Celliant-blend fabric woven with phase change fibers intended to dissipate heat on contact, so the surface should remain cool to the touch at all times.
Trial, Shipping, and Warranty
Bear offers free ground shipping throughout the contiguous U.S. The company’s sleep trial runs for 120 nights. If you decide to keep the mattress, you’ll also receive a lifetime warranty against structural defects.
Best Organic Mattress
Birch Mattress
8.5 /10
Test Lab Score
25% off sitewide
25% off sitewide
A dedication to sustainability shines through every element of the Birch Mattress. But its use of organic, natural, and recycled materials doesn’t diminish its performance. Instead, the Birch Mattress provides superb comfort, support, and temperature control.


Credit: Sleep Foundation Test Lab
Price
$1,499
Mattress Type
Latex Hybrid
Firmness Options
Medium Firm (6)
Trial Period
100 nights (30-night requirement)
At a Glance
- Who It’s Best For: Eco-conscious shoppers, hot sleepers, and most sleepers over 130 pounds, regardless of sleeping position.
- Feel: Medium firm (6) with light cushioning, significant bounce, robust edge support, and cool surface.
- What It’s Made Of: Organic wool and organic cotton cover, top layer made of organic latex, support core features thick, pocketed coils.
- What We Don’t Like: Some vibrations from a bed partner’s movement. May be too firm for some side sleepers under 130 pounds.
Scoring & Reviews
The following ratings show how suitable this mattress is for different sleeping positions and sleeper weights. These scores are determined by how well the mattress supports and relieves pressure for each sleeper type.
We performed a meta-analysis on 1917 validated customer reviews of the Birch Mattress. This is what people who bought the mattress had to say:- Comfort and Support: Many reviewers mention the mattress provides excellent support and comfort, particularly noting improvements in back and shoulder pain.
- Dual Firmness: The flippable design offering a choice between firm and soft sides is frequently appreciated, allowing users to customize their sleeping experience.
- Durability and Quality: Customers commend the high-quality, eco-friendly materials and construction, expressing satisfaction with the mattress’s durability and longevity. The use of organic and natural materials not only ensures comfort but also contributes to the mattress’s overall durability.
- Temperature Regulation: Customers appreciate the mattress’s ability to maintain a comfortable sleep temperature, attributing this to its natural and organic materials. The use of organic wool and natural latex contributes to effective temperature regulation, enhancing overall sleep quality. .
- Price: Opinions on the mattress’s price vary, with some finding it a good value and others considering it somewhat expensive.
- Weight and Maneuverability: The mattress is noted to be heavy, making it difficult to move or flip without assistance.
- Smell and Off-gassing: A few reviewers mention an initial off-gassing smell that dissipates over time.
- Edge Support: Mixed reviews on edge support, with some some noting it could be improved.
Full Details
Back pain often requires a mattress that cushions the body while maintaining even support. The Birch Mattress contains a latex comfort layer, so your body shouldn’t sink too much around the midsection. This can alleviate pain in your shoulders and lower back.
How It Performs
The Birch Mattress is one of the most balanced latex hybrids we’ve encountered. Our testers have noted consistent responsiveness and ease of movement across the surface, but also closer contouring and deeper cushioning compared to other beds with latex comfort layers.
The mattress was particularly popular with side sleepers on our team weighing at least 130 pounds, back sleepers between 130 and 230 pounds, and stomach sleepers over 230 pounds. Due to its breathable components, the Birch also performed well during our temperature control tests and displayed minimal heat retention.
Construction Breakdown
A comfort system of moisture-wicking wool over ventilated Talalay latex makes the Birch feel exceptionally cool on the surface. We detected low heat retention when testing the mattress for temperature control, and even the hot sleepers on our team felt comfortable lying on the surface. Pocketed coils promote airflow for added breathability. We also noticed strong responsiveness, which can be attributed to the naturally responsive latex and generous coil pushback. An organic cotton cover encases the mattress.
One appealing aspect of the Birch is its eco-friendly design. A Rainforest Alliance certification indicates rubber trees used to create the latex are sustainably grown, while an eco-INSTITUT certification ensures the material has been evaluated for harmful emissions. Additionally, Birch has been recognized for humane treatment of the sheep used to extract wool in the fire barrier.
Trial, Shipping, and Warranty
Birch offers free ground delivery to customers in all 50 states. Each order comes with a sleep trial of 100 nights, as well as a lifetime manufacturer’s warranty.
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$1,499 (List Price $1,799) -
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$699 (List Price $1,664)
Best Mattress Overall
Helix Midnight Luxe
9.7 /10
Test Lab Score
25% off sitewide
Shop at HelixQuality across-the-board performance makes for a standout hybrid king mattress.
See More Details
Most Comfortable Mattress
DreamCloud Mattress
8.5 /10
Test Lab Score
50% off mattresses + $599 worth of free accessories
Shop at DreamCloudAn impressive hybrid that won’t break the bank when buying a king bed.
See More Details
Best Value Mattress
Brooklyn Bedding CopperFlex Memory Foam
8.6 /10
Test Lab Score
25% off sitewide. Code: PRESDAY25
Shop at Brooklyn BeddingA medium firm all-foam mattress that contours closely to alleviate sore spots.
See More Details

Credit: Sleep Foundation Test Lab
Best Luxury Mattress
Saatva Classic
9.4 /10
Test Lab Score
$300 off mattress purchases of $1,000 or more
Shop at SaatvaA luxurious and well-constructed king mattress with free in-home setup.
See More Details
Best for Back Pain
WinkBed
8.9 /10
Test Lab Score
Get $300 off all mattresses at Winkbeds
Shop at WinkBedsBack support and joint cushioning make this king mattress an antidote to back pain.
See More Details
Best Mattress for Couples
Leesa Sapira Hybrid
8.9 /10
Test Lab Score
25% off all mattresses
Shop at LeesaA king bed that lets you snooze without interruption if your partner is tossing and turning.
See More Details
Best for Side Sleepers
Nolah Evolution 15
8.7 /10
Test Lab Score
25% off sitewide. Save an additional $50 with code: SF50
Shop at NolahMaximize comfort from your king bed with targeted cushioning for side sleepers.
See More Details
Best Pillow-Top Mattress
Brooklyn Bedding Aurora Luxe
9.2 /10
Test Lab Score
Get 25% off all mattresses
Shop at Brooklyn BeddingGet regal sleep on a king mattress that helps you stay cool through the night.
See More Details
Best for Pressure Relief
Bear Elite Hybrid
8.5 /10
Test Lab Score
35% off + 2 free pillows. Use Code: SF35
Shop at BearA king mattress with superb ability to cushion pressure points.
See More Details
Best Organic
Birch Mattress
8.5 /10
Test Lab Score
25% off sitewide + 2 free pillows
Shop at BirchA king mattress that proves there’s no tradeoff between sustainability and superior performance.
See More Details
Compare The Best King Mattresses
Select up to 3 products to compare
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Compare Mattresses
Go back to select different products
Price
$1,899
$699
$499
$1,795
$1,499
$1,599
$1,424
$1,586
$1,499
$1,499
Mattress Type
Hybrid
Hybrid
Foam
Innerspring
Innerspring
Hybrid
Hybrid
Hybrid
Hybrid
Latex Hybrid
Firmness Options
Medium Firm (6)
Medium Firm (6)
Medium Firm (6)
Soft (3), Medium Firm (6), Firm (8)
Medium Soft (4), Medium Firm (6), Firm (7), Firm (8)
Medium Firm (6)
Medium (5), Medium Firm (6), Firm (8)
Medium Soft (4), Medium Firm (6), Firm (7)
Medium (5), Medium Firm (6), Firm (8)
Medium Firm (6)
Customer Rating
9.0/10
9.2/10
0.0/10
9.6/10
9.6/10
8.8/10
9.8/10
9.4/10
9.4/10
9.4/10
Side Sleepers (Under 130 lbs.)
8.5/10
7.0/10
6.0/10
7.0/10
8.0/10
8.0/10
7.5/10
8.0/10
7.5/10
6.0/10
Side Sleepers (130-230 lbs.)
10.0/10
8.0/10
9.0/10
9.0/10
9.5/10
9.5/10
9.0/10
9.5/10
9.0/10
7.5/10
Side Sleepers (Above 230 lbs.)
8.5/10
7.0/10
7.5/10
9.0/10
8.0/10
8.0/10
7.5/10
8.0/10
7.5/10
7.5/10
Back Sleepers (Under 130 lbs.)
8.0/10
8.0/10
8.0/10
7.0/10
7.5/10
7.5/10
7.0/10
7.5/10
7.0/10
7.5/10
Back Sleepers (130-230 lbs.)
9.5/10
7.0/10
7.0/10
9.0/10
9.0/10
9.0/10
8.5/10
9.0/10
8.5/10
8.0/10
Back Sleepers (Above 230 lbs.)
9.5/10
7.0/10
7.0/10
9.0/10
9.0/10
9.0/10
8.5/10
9.0/10
8.5/10
8.0/10
Stomach Sleepers (Under 130 lbs.)
6.5/10
7.5/10
8.0/10
6.5/10
6.0/10
6.0/10
5.5/10
6.0/10
5.5/10
6.0/10
Stomach Sleepers (130-230 lbs.)
8.0/10
6.0/10
6.5/10
8.5/10
7.5/10
7.5/10
7.0/10
7.5/10
7.0/10
8.0/10
Stomach Sleepers (Above 230 lbs.)
6.5/10
5.5/10
6.0/10
8.5/10
6.0/10
6.0/10
5.5/10
6.0/10
5.5/10
7.0/10
Motion Isolation
8.5/10
7.5/10
8.5/10
6.5/10
6.0/10
7.0/10
7.5/10
8.0/10
7.0/10
6.0/10
Edge Support
9.5/10
7.5/10
7.0/10
8.5/10
9.0/10
6.5/10
8.5/10
9.0/10
7.5/10
8.5/10
Temperature Control
8.0/10
7.0/10
7.0/10
10.0/10
8.5/10
8.0/10
7.0/10
7.5/10
7.0/10
8.5/10
Ease of Movement
7.5/10
7.0/10
6.5/10
8.5/10
7.0/10
7.0/10
6.5/10
7.0/10
6.5/10
8.5/10
Off-gassing
8.0/10
7.0/10
5.5/10
9.5/10
7.0/10
7.0/10
7.0/10
7.5/10
7.0/10
8.5/10
Pressure Relief
9.5/10
8.0/10
9.0/10
8.0/10
7.5/10
8.5/10
8.5/10
9.0/10
8.0/10
6.5/10
Product Review
Watch Video: We Tested the Best King Mattresses of 2025 – Here Are Our Favorites
Watch the video below to learn more about our top picks for best king mattress.
If you’re curious to learn more about our picks, read our reviews below. At the bottom, we also provide a buyer’s guide to shopping for king size mattresses. Our guide offers practical advice on how to find the right king mattress, which types of sleepers will benefit from these mattresses, and which mattresses are best for a king size.
Who Should (and Shouldn’t) Sleep on a King Size Mattress?
A king-sized mattress can anchor your bedroom and maximize your sleeping space, but this size isn’t for everyone. We find that king mattresses are ideal for:
- Couples: Ample space so both partners can enjoy undisturbed sleep.
- Families: Perfect for co-sleeping and lazy weekends.
- Pet owners: Giving pets space without crowding their humans.
- Tall sleepers: Extra width for those who like to spread out.
On the flip side, a king mattress may not suit:
- Singles: May be excessive for those sleeping solo.
- Small spaces: Can overwhelm tighter rooms.
- Budget shoppers: Typically pricier than smaller mattresses.
- Frequent movers: Can be challenging to transport.
Are There Different Kinds of King Size Mattresses?
King mattresses come in various styles, each with slightly different dimensions. A standard king is 76 inches wide and 80 inches long, making it 16 inches wider than a queen. A California king adds 4 inches in length, while a split king pairs two twin XLs to allow for separate firmness levels in one bed. Alaskan and Texas kings are some of the most spacious oversized mattresses on the market.
Size | Dimensions |
---|---|
King | 76″ x 80″ |
Split King | 76″ x 80″ |
California King | 72″ x 84″ |
Alaskan King | 108″ x 108″ |
Texas King | 80″ x 98″ |
What to Consider When Shopping For a King Mattress
While many people choose a king mattress for its size, it’s important to remember that mattress shopping is about finding the right combination of comfort, support, and value. To make the process a bit easier, we’ve put together the following list of factors to consider when shopping for a king mattress.
Your Sleeping Position and Weight
Side sleepers tend to prefer a softer bed that conforms under their hips and shoulders, while back and stomach sleepers benefit from firmer mattresses that offer increased support. If you weigh under 130 pounds, you might gravitate towards a plusher surface, while if you’re over 230 pounds, a firmer option might be more suitable.
Mattress Type and Height
Several mattress types dominate the market, each with unique advantages:
- Innerspring: Bouncy with good airflow, these are often the most budget-friendly king mattresses.
- Foam: Conforming and pressure-relieving, the performance of an all-foam king mattress depends on the types of foams used in its construction.
- Latex: Latex kings are responsive and durable beds popular with eco-conscious shoppers, but can be expensive.
- Hybrid: Many of our favorite king mattresses are hybrids that combine the benefits of an innerspring core with layers of foam or latex.
The height of a mattress also affects its aesthetics and performance. When shopping for a king mattress, consider if a taller or shorter design suits your preferences in terms of style, price, weight, and the ease of getting in and out of bed.
Transportation and Bedroom Space
Before buying a king mattress, keep in mind that this bed size is inherently large and heavy. Make sure that your bedroom has enough space to accommodate a king mattress and consider how you’ll get it into your bedroom. Pay special attention to any narrow hallways and doorways and be sure to enlist a friend or two for help.
Edge Support and Motion Isolation
Two of the most important performance factors for a king mattress are edge support and motion isolation. Edge support refers to the mattress’s strength and stability on its sides, important for maximizing sleeping space and preventing sagging at the edges. Motion isolation reduces the likelihood that you’ll be disturbed by a co-sleeper’s movements.
Budget and Pricing
King mattresses typically carry a heftier price tag than smaller sizes. Factors influencing the cost of a king include material, quality, brand, and added features. If you’re shopping on a budget, keep your eyes out for discounts, promotional bundles, and seasonal sales.
Trials, Returns, and Warranties
A king mattress can be a significant investment, so understanding trials, returns, and warranties is crucial. Trials allow a risk-free way to try a mattress before commiting. Returns allow you to send it back if you’re unsatisfied, and warranties protect against manufacturing defects. Ensure these policies are transparent and suit your needs when hunting for your perfect king mattress.
How We Test: Your Comfort Is Our Science
Our industry-leading product testing team cares deeply about improving your sleep. Having a holistic understanding of a mattress’s role as part of a sleep system is paramount to our testing process. Since a bed’s comfort and feel depend largely on body weight and sleeping position, our testing team represents a wide range of body types, sleep positions, and comfort preferences.
In our Seattle-based Test Lab, we use an objective, hands-on process to evaluate mattresses across performance categories. The following are the key guidelines that inform our performance ratings. Our ultimate goal is to ensure you have all the information you need to make the best purchase decision for you.
Construction analysis: We begin testing each mattress by analyzing its design and making note firmness, height, individual layer composition, and sticker price. This allows us to evaluate qualities like support, durability, and value.
Product testing: Firsthand testing is crucial to our evaluation and ratings system. We use a wide range of tools and technology to test mattresses in six performance categories: motion isolation, pressure relief, temperature control, ease of movement, edge support, and odor potential.
Field testing: In addition to lab-based tests, we base our ratings on feedback from field testers who use the mattresses in their own homes. They spend several weeks collecting data — this gives us insights into how the mattress performs night after night for an extended period.
User testing: We curate feedback verified owners have provided in surveys, sleep stories, and product reviews. This helps us evaluate our initial findings and, if needed, tweak our ratings to reflect real-world experiences.
So how did we pick the best king mattress?
We test mattresses of all sizes using the same criteria for performance categories such as temperature control, pressure relief, and ease of movement. For this list of the best king mattresses, our team placed special attention on motion isolation and edge support — two qualities that matter most to couples, since the kig is most popular among co-sleepers. Expected durability and cost also influenced our final selections.
How We Determine Our Overall Scores


To determine a mattress’s overall score, we assign weighted percentages to performance categories based on how important they are to the individual sleep experience. For instance, areas like pressure relief and temperature control tend to matter more to people than something like off-gassing, and because more people sleep on their side and back than on their stomach, we weigh those positions more heavily.
Performance Categories
Motion Isolation
This criteria alludes to the amount of motion a mattress absorbs when a sleeper moves on the surface. We use two testers lying side by side to evaluate motion isolation, who each feel for transfer while the other person moves on the mattress.
Temperature Control
To determine how well a mattress regulates temperature, we perform temperature tests and look closely at its materials and construction. Many mattresses are designed with cooling components meant to reduce heat retention.
Pressure Relief
A bed with strong pressure relief excels at preventing pressure from building up in areas like the shoulders and hips. Beds with even contouring and weight distribution are top performers when it comes to pressure relief.
Off-Gassing
A mattress in a box may release unpleasant chemical odors for a short period after you’ve unboxed it. The initial smell may be strong but typically fades within 2 or 3 days.
Ease of Movement
This criteria reflects how easily a sleeper can move across a bed’s surface. Responsive surfaces made of latex typically perform better than foam surfaces, which can inhibit movement.
Edge Support
We perform sit tests along a bed’s perimeter to measure how well the edges push back against weight. Mattresses with strong edge support have minimal sagging when sleepers sit on or lie close to the perimeter.
Dive Deeper – Mattress Guides
If you want more information about our top mattress picks, head over to our guide to the best overall mattresses of 2025. For more help deciding which mattress is right for your specific needs, check out the guides below.
Frequently Asked Questions
A king mattress is typically 76 inches wide and 80 inches long. Height and weight vary, but these beds are usually around 9 to 12 inches tall and weigh over 100 pounds.
The added space of a king mattress makes it ideal for couples seeking more space, families who co-sleep or hang out in bed, pet owners wanting room for their furry friends, and taller individuals who appreciate the added width.
The price of a king mattress can vary significantly based on its materials, brand, and added features. On average, you can expect to spend anywhere from $900 to over $2000 on a king mattress. Because these beds can be a big investment, it’s wise to research and set a budget before making a purchase.
The Family XL, at 144″ wide and 84″ long, is the biggest oversized mattress on the market. While the Alaskan King is often noted for its generous 108″ x 108″ dimensions, the Family XL surpasses it in width by an impressive 3 feet. Oversized options like the Family XL can be challenging to find, and require custom frames and bedding.
A king’s ridge refers to a hump that can form in the center of a king mattress that can develop in outdated or low-quality mattresses as they begin to sag in several areas. To keep the king’s ridge at bay, invest in a high-quality mattress, regularly rotate your bed, and don’t forget to replace it every 7 to 10 years.
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