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The Best Cooling Mattresses You Can Buy Online, As Tested by Strategist Editors

Photo-Illustration: Retailer

There are plenty of factors that go into getting a good night’s rest, including temperature regulation. If you’ve ever woken up feeling hot and sweaty no matter how thin your sheets are, your mattress may be the issue. Luckily, there are plenty of mattresses on the market that offer cooling effects, but it can be hard to tell which ones are worth investing in and which ones will match your other sleep preferences. To help you out, we’ve rounded up the best cooling mattresses you can buy online as tested by Strategist editors and writers over the past six years.

All our reviews are based on at least a week’s worth of sleep by different types of sleepers, so if you have a preference on firmness, look for the Strategist editor who matches that. If you don’t see something you like here, don’t worry: We’ve reviewed nearly 40 mattresses here, and we’ve got roundups of all-foam options and firm mattresses, too. (Note that for ease of comparison, the prices given below are for queen-size mattresses, but all are available in different sizes.)

Best all-around cooling mattress | Best (less expensive) cooling mattress | Best hybrid cooling mattress | Best (less expensive) hybrid cooling mattress | Best mattress with cooling gel | Best cooling mattress for side sleepers | Best cooling mattress for athletes

What we’re looking for

Material: It’s important to take into account how the mattress is constructed because the type of foam and how it’s layered can factor into temperature regulation and affect how warm or cool you feel on it. The materials will also determine how much support the mattress provides and how comfortable you feel when you lie down at night.

Cooling features: All of the mattresses mentioned in this post have some sort of unique cooling or temperature-regulating feature. Most mattresses on the list feature some sort of cooling foam or memory foam, but if you’re looking for more options with your temperature regulation, try a mattress with a cooling cover.

Firmness and support: Often, manufacturers rate their mattresses on a firmness scale from 1 to 10, but we’ve seen that the way you sleep will have an impact on the type of mattress you find most comfortable and how you experience its firmness. Side sleepers, for example, need pressure relief on their hips and shoulders along with a mattress that supports the alignment of the spine, shoulders, and pelvis. Back sleepers will do better with a firmer mattress, which helps support the spine, and stomach sleepers often prefer softer mattresses that cradle their body but are not so soft that they sink in.

Best all-around cooling mattress


This premium Tuft & Needle mattress features two additional layers of Adaptive Foam compared with the Original’s one. Its two-inch middle layer of Adaptive Foam is infused with a purportedly cooling ceramic gel, and its three-inch top layer of Adaptive Foam is infused with graphite that the brand claims will “pull body heat away.” When testing it out for a previous roundup, Strategist writer Arielle Avila and her boyfriend found it truly cooling: “There were a couple of nights I forgot to turn our fan on and we didn’t wake up drenched.” As for its firmness, the Mint accommodated both of their preferences — Avila likes something more plush, while her boyfriend prefers a firm mattress. The Mint was more supportive than their old Zinus mattress, which was great for her boyfriend, who claimed he woke up more refreshed than ever. Avila said she was hesitant about the firmness, but the Mint never felt too firm on her hips or shoulders whenever she rolled to her side. Instead, she described the feeling as being cradled, something she also felt when sleeping on her stomach. Avila still has her Tuft & Needle and says it has provided her with very comfortable sleep through two summers, especially as a hot sleeper, and she never experiences back pain.

Best (less expensive) cooling mattress


The Nectar Memory-Foam Mattress is an all-foam bed with a quilted cover on top of layers of “gel-infused” cooling memory foam, support memory foam, and high-density poly foam. In a previous version of this story, former Strategist senior editor Casey Lewis said the firm mattress “has just the right amount of give, in that it’s comfortable for me to move around on, but I don’t feel anyone (or anything) else moving around.” As for its cooling properties, which Lewis said “sounded a little dubious to me,” they really do work: “My worries about the memory foam overheating me never came to fruition … While I still woke up with stress dreams, I never once woke up with sweat-soaked sheets,” she said. When we asked Lewis for an update two years later, she said she still likes that she doesn’t overheat while sleeping. And though she’s now in the market for a bigger bed, she’s going to stick with the Nectar in king size because it has been so comfortable.

Best hybrid cooling mattress


As a back-to-side sleeper who runs “extremely hot,” Strategist writer Dominique Pariso was initially skeptical that Casper’s mattress could keep her cool; its hybrid construction includes plenty of foam (which tends to trap body heat). However, she “didn’t wake up in sweaty sheets once, even during the hottest nights of the year,” she says. The foam is perforated and layered with cooling gel and latex on top of pocketed coils, plus there are six graphite “HeatDelete” thermal bands that keep heat away from the body, according to the brand. Pariso says Casper’s mattress is medium firm, and though she generally prefers softer styles, she found herself sleeping better with the added support.

Best (less expensive) hybrid cooling mattress

For a hybrid option that’s less expensive — even more so at 25 percent off right now — consider Brooklyn Bedding’s best-selling Aurora Luxe. New York deputy editor Alexis Swerdloff says this mattress, which has three layers of foam topping an eight-inch steel-coil core, feels “luxurious” and “very substantial.” According to the brand, the top layer is constructed with cooling fibers that work with the cover to promote airflow and absorb excess heat from the body. Swerdloff says she and her husband both run hot and the mattress’s materials help them sleep cooler than usual. When we asked her for an update after a year, Swerdloff said she’s still not experiencing any night sweats. Note: The Aurora Luxe comes in three firmness levels; Swerdloff recommends going in a firmer direction than you normally might, as she says it errs on the softer side (she has a medium firm).

Best mattress with cooling gel

Purple Mattress - Queen
Photo: Courtesy of the vendor

If you’re not a fan of all-foam mattresses, consider the Purple Mattress. It’s made with a combination of different materials, including several inches of Purple’s proprietary polymer material, a strong but moldable gel-like material that’s been used in medical beds, Dr. Scholl’s soles, and toy balls. Former Strategist deputy editor Jason Chen, a side sleeper who prefers a firmer mattress, said in a previous roundup that “it was like being cradled rather than smothered, the way I felt on my old foam mattress. With a truly unique construction and anomalous materials, Purple’s mattress is well suited to those who sleep hot and hate foam — and who are game to try something very different.”

Best cooling mattress for side sleepers

Former associate editor Louis Cheslaw sleeps on his side, and though the all-foam, pressure-relieving Emma is on the softer side of its medium-firm designation, it’s a nice option for those looking for hip and shoulder support. “When I sat on the side of my bed (to put socks on, or before fully getting out of it), I sometimes felt like I was slipping off of it, a sensation I have not experienced with firmer mattresses,” he said after testing the Emma for a previous version of this story. Nevertheless, he was still “incredibly comfortable” sleeping on the mattress. “I never woke up after falling asleep until the morning, when I woke feeling well rested.” Not to mention, Emma’s top cooling layer kept Louis comfortable throughout his trial — even during the peak of a hot New York City summer.

Best cooling mattress for athletes

Bear Original Mattress
From $649

If you’re always moving day and night, Bear’s original, all-foam mattress is made for athletes and active sleepers, with foam layers designed to relieve pressure, keep you cool, and restore strength. All those benefits are thanks to a mattress cover made of Celliant, a synthetic fiber that’s “designed to direct body heat back into the muscles as restorative infrared heat,” according to some studies. Former senior writer (and devoted runner) Karen Iorio Adelson tested this mattress with her husband. “It may be totally psychological — my legs did feel fresher and less fatigued than they normally would on days after doing sprints and thigh-punishing barre workouts,” she said in a previous version of this story. If you’re an athlete or on a rigorous gym schedule, the Bear mattress may be worth the try — but if nothing else, it’s a nice option for stomach or back sleepers who want a touch more support from an all-foam mattress. (And Bear’s 120-night trial allows for hassle-free returns.)

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All the Best Cooling Mattresses We’ve Ever Written About