Best mattress for hot sleepers — cooling beds compared by sleep editors

Purple RestorePremier is our top pick for hot sleepers who don't want cords, pumps, or subscriptions. The patented GelFlex Grid on top is an open, hyper-elastic polymer lattice — 3 inches of it over 10 inches of CoolFlex coils, 13 inches in total. It physically cannot trap heat the way solid foam does, because air flows straight through the grid channels. Purple rates it up to 4x cooler than leading competitors, a figure from the brand's own thermal testing rather than an independent lab.

Bonus: the grid also gives pressure relief for side sleepers without the sinking feeling. At $4,399 queen it is by a distance the most expensive bed in this guide, but for a hot sleeper it solves the problem passively — no ongoing cost, no maintenance. Skip it if you love the deep memory-foam hug (the grid stays bouncy and firm), or if the price is out of reach, in which case go Nectar Premier at $999.

If passive cooling isn't enough — you wake up sweating no matter what — active climate control is the answer. The Pod 4 is a smart cover that fits over your existing mattress and actively circulates water at 55-110°F per side, with an Autopilot that adjusts through the night based on your sleep stage. For couples where one runs hot and one runs cold, the independent dual-zone control ends the thermostat war permanently.

Two catches, and they matter. First, generation: Eight Sleep's shop now sells the Pod 5, and the Pod 4 is no longer listed there, so there is no brand-direct price to quote and third-party stock varies — check what you are actually being charged before you buy, and compare it against the current Pod. Second, the subscription: Autopilot is mandatory for the smart features at $199/yr, which is $995 over five years on top of whatever the hardware costs. It is still the only product here that can make a bed genuinely cold rather than merely cooler.

Innersprings are the original cooling mattress — coils create an open cavity that air moves through freely, so body heat dissipates instead of building up. Saatva Classic is the best luxury version: dual-coil construction, an organic cotton cover, and a lumbar-zone gel layer. It sleeps cooler than any all-foam bed simply because of how it's built, with zero cooling tech to break or subscribe to.

Pick the Luxury Firm (6/10) for most sleepers or Plush Soft (3/10) for strict side sleepers. White-glove delivery sets it up in your bedroom and hauls the old one away, free. At $1,904 queen with a lifetime warranty, it's a premium buy that solves cooling the old-fashioned, maintenance-free way. Best for hot sleepers who also want a traditional, springy, luxury feel.

If you want memory-foam feel but sleep hot, Nectar Premier is the value answer. Unlike beds with a cooling-tinted cover over heat-trapping foam, Nectar Premier pairs a dual-action cooling cover with gel-infused foam layers, in a 13" build. It won't match Purple's open grid — solid foam is still solid foam — but it is a real cooling mechanism rather than a marketing finish, and it keeps the contouring hug foam lovers want.

At $999 on Nectar.com it costs less than a quarter of the Purple, and it carries the industry's longest trial at 365 nights plus a Forever Warranty. Best pick for hot sleepers on a budget who don't want to give up the memory-foam sink.

The Helix Midnight Luxe is the pick if you're a hot sleeper AND a side sleeper — a combination that's hard to satisfy, because the deep pressure relief side sleepers need usually comes from heat-trapping foam. Helix threads the needle with a 13.5" hybrid build: individually-wrapped coils create airflow underneath, while a GlacioTex cooling cover handles the surface. It sleeps neutral-to-cool (not as cold as Purple, but far cooler than all-foam) while delivering the shoulder-and-hip pressure relief that makes it the internet's favorite side-sleeper mattress.

At $1,874 queen with a limited lifetime warranty, it's a strong middle option: cooler than memory foam, more pressure-relieving than an innerspring. Best for side sleepers who run warm but don't sweat through the sheets.

Casper Original Hybrid rounds out the list with a caveat you need up front: Casper has discontinued it. Casper.com now redirects to the Dream Hybrid, and the only remaining supply is Amazon stock, so it is limited and there is no live product line behind returns or warranty claims. It stays in this guide because the cooling design is genuinely good and some readers still want this specific feel — not because we'd steer a first-time buyer to it.

On the merits: the AirScape foam is perforated specifically to vent heat — thousands of tiny channels let air escape instead of pooling around your body — sitting over pocketed coils that add a second layer of airflow. It's not the coldest bed here, but it sleeps genuinely cooler than solid memory foam, and the zoned support (firmer at the hips, softer at the shoulders) suits back and side sleepers alike. It's $1,495 queen on Amazon (B085H9FBBP), in an 11" profile.