The Best Cooling Mattresses for Hot Sleepers
It happens to the best of us: You wake up in the middle of the night, clammy and soaked in sweat. If you’re a hot sleeper, a cooling mattress may be for you. Waking up sweaty and hot can be caused by several factors, like sleeping conditions, stress, excessive blankets, the wrong pajamas, and even eating spicy foods before bed. Hot nights can also equate to sleepless nights. According to a study from the Journal of Physiological Anthropology, heat exposure increases wakefulness and decreases time spent in deep sleep and REM sleep.
A cooling mattress is built specifically to help regulate your body temperature by being made of materials that optimize airflow and draw heat away from your body as you sleep. I (and some of my sweatiest colleagues) tested a myriad of cooling mattresses for at least a week each in our homes—to determine which worked best to beat the heat.
Be sure to read our other sleep guides, including the Best Mattresses, Best Organic Mattresses, Best Hybrid Mattresses, and Best Bed Sheets.
Updated August 2026: We've overhauled this guide with new picks from Bedgear, Helix, Brooklyn Bedding, Birch, Sijo, and Nectar. We've also updated links and prices.
Other Cooling Mattresses We Like:
Cooling Bedding We Love:
Compare the Best Cooling Mattresses
| Mattress | Mattress type | Materials | Certifications | Firmness options | Add-ons available | Shipping | Trial period | Warranty |
| Helix Sleep Midnight Luxe | Hybrid | Tencel cover, memory foams, pocketed coils | CertiPur-US certified foams, GreenGuard Gold | Medium | GlacioTex cooling cover, GlacioTex cooling cover with CoolForce Layer, ErgoAlign Contour Layer | Free for customers in the contiguous US | 120 nights | Limited lifetime |
| Brooklyn Bedding Aurora Luxe Cooling | Hybrid | Optional cooling foam, quilt foam, copper responsive foam, memory foam, Variflex transition foam, 8” zoned coils, base foam | CertiPur-US certified | Soft, Medium, Firm | Cloud pillow top | Free | 120 days ($99 returns) | Limited lifetime |
| Birch Luxe Natural Mattress | Hybrid | Organic cotton cover, wool, organic latex, pocketed coils | Global Organic Latex Standard (GOLS), GreenGuard Gold | Medium | Birch CoolForce Layer | Free via FedEx; white-glove delivery available for $199 | 120 nights; 30-day break in period required before initiating return ($99 shipping fee) | Limited lifetime |
| Bear Elite Hybrid Mattress (Firm) | Hybrid | Phase change material (PCM) cooling cover, copper-infused memory foam, dynamic memory foam, pocketed coils | CertiPur-US, GreenGuard Gold | Soft, Medium, Firm | Celliant cooling cover | Free for customers in the contiguous US | Arrives in a box within three to seven business days; white-glove delivery service available. Prices range from $100 for setup only to $200 for setup and old mattress removal. | Limited lifetime |
| Bedgear M5 Night Ice Performance Mattress | Hybrid | Ver-Tex top cover, Air-X side panels, comfort layer, independent suspension unit, high-density foam base | N/A | Firm, medium firm, medium plush, plush | N/A | Free for orders over $300 within contiguous US | 30 days to return if opened; 100 days if unopened. $199 return fee | 10-year limited manufacturer’s |
| Bedgear H Performance Mattress | Hybrid | Ver-Tex cooling cover, memory foam, pocketed coil suspension unit, side mesh | CertiPur-US certified | Medium firm (H4) and Medium plush (H6) | N/A | Free for orders over $300 within contiguous US | Within 30 days if opened; 100 if unopened | 10-year limited manufacturer’s warranty |
| Leesa Legend Chill Hybrid | Hybrid | Cooling cover with phase-change fibers, memory foam, micro coils, pocketed coils | CertiPur-US certified, GreenGuard Gold | Medium firm | N/A | Free | 100-night trial (must sleep on it for 30 days before requesting return) | Limited lifetime warranty |
| Brooklyn Bedding CopperFlex Hybrid | Hybrid | Copper-infused memory foam, foam, pocketed coils | CertiPur-US certified, GreenGuard Gold | Medium firm | Available in all-foam or hybrid models | Free | 120-night trial (must sleep on it for 30 days before requesting return) | Limited lifetime warranty |
| Nolah Evolution Hybrid | Hybrid | Organic cotton or GlacioTex cover, AirFoam Luxe memory foams, gel memory foam, AirBreath border gusset, pocketed coils | CertiPur-US certified, GreenGuard Gold | Soft, Medium, Firm | GlacioTex cooling pillow top | Free for customers in the contiguous US | Arrives in a box as part of standard shipping; white-glove delivery available (mattress setup and old bed removal) for $225 | Limited lifetime |
| Bedgear Sport Performance Mattress | Foam | Ver-Tex cooling cover, memory foam, side mesh | CertiPur-US certified | Plush (S7), Medium (S5), Firm (S3) | N/A | Free for orders over $300 within contiguous US | Within 30 days if opened; 100 if unopened | 10-year Limited Manufacturer’s Warranty |
How Does WIRED Test Cooling Mattresses?
Mattresses are tested for at least a week, but in many cases for longer. I slept on the majority of these mattresses for half a month or more to really get a feel for the product. I tested them at different times of the season and with different types of sheets and bedding. I sat on the edges to test for edge support, jumped, and performed some other methods to test the bounce and motion transfer of the mattress. Perhaps most important for this guide, I was my normal, perpetually warm (and sweaty) self, and gauged more abstract things like my overall comfort at night, and how well I thought air flowed through the mattress, or how much heat was trapped in.
What Should You Look for in a Cooling Mattress?
When shopping for a cooling mattress, here are a few things to consider:
- Composition: Opt for mattress materials designed to promote airflow, which will help prevent heat buildup. Many mattresses are infused with gel or copper, which are designed to dissipate heat and keep you cool. A hybrid mattress combines the best of both worlds by using a coil support system under a foam, latex, or polyfoam comfort top. Hybrid mattresses tend to retain less heat than all-foam mattresses because they have a layer or two of springs to help dissipate heat.
- Cover fabric: Consider mattresses with covers made from moisture-wicking fabrics and phase-change fibers to draw sweat away from the body. Breathable fabrics include bamboo, Tencel lyocell, and synthetic fabrics, which are engineered to help regulate body temperature. Perforated cooling covers further amplify airflow between your body and the fabric. We find quilted tops help too, since they have ridges and valleys that allow air to escape.
- Airflow: With proper airflow, the heat you generate overnight is properly conducted through the mattress. Hybrid mattresses with individual coils help with this, but many mattresses marketed for their cooling benefits have other tricks.
- Firmness: While the debate of soft versus firm mattresses is a personal preference, your choice can play a crucial role in the way your body traps heat. Softer mattresses tend to envelop your body, leading to increased heat retention as your body sinks into the surface. Conversely, firmer mattresses provide better support and allow for more air circulation around your body.
How Did WIRED Select Models to Be Reviewed?
We have tested over 100 mattresses across all of our guides, like Best Organic Mattresses, Best Mattresses for Back Pain, and Best Mattresses You Can Buy Online, as well as for individual review. We talk with each other, discussing which mattress brands in general we're fans of, and which we aren't. Some mattresses are provided as review samples by the manufacturers, with the understanding that we don't guarantee coverage or type of coverage—we aren't paid for glowing reviews on products we think are just mid. We purchase and expense models we aren't able to get a sample of.
We try to test a range of mattress types, firmness, and brands to ensure we know what's out on the market, so we can best give you our honest, unbiased opinion on which mattresses you should spend your money (and one-third of your life sleeping) on.
What Does WIRED Do With Mattresses After Testing?
We keep top picks for longer-term durability testing in our own homes and the homes of other staffers, friends, and family members, while other models are donated locally.
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