No one likes feeling stuck to their sheets or waking up from a night sweat. It may be nice to feel cozy, but it’s not nice to feel hot when you’re trying to fall asleep.
Sleeping warm isn’t just uncomfortable; it actually interferes with your sleep. Our body temperature is intricately involved with our sleep-wake cycles. It fluctuates during the day, cooling down at night as our body prepares for sleep. To sleep well, your body needs to be in a cool environment. This is why sleep experts recommend setting your bedroom thermostat to a cool mid-60s degrees Fahrenheit.
Unfortunately, some of us are prone to sleeping hot. So-called “hot sleepers” may sleep hot for a physical reason, such as higher body mass index (BMI) or menopause, or they may simply be one of those people who tend to “run hot.”
Our Top Cool Mattress Picks
|Saatva||Innerspring||3 choices: Plush Soft (3-3.5), Luxury Firm (5-6), Firm (8)||$1,099|
|WinkBed||Hybrid||3 choices Soft, (4.5) Luxury Firm (6.5), Firm (7.5)||$1,599|
|Original Purple||Foam||Medium (6-6.5)||$999|
|Zenhaven||All-Latex||Reversible: Medium Soft (4-5), Firm (7-8)||$1,899|
|Aurora||Hybrid||3 choices: Soft (3-4), Medium (5-6), Firm (7-8)||$1,699|
*All prices listed are for Queen mattresses and without discounts applied.
Our Favorite Cooling Mattresses
Why we like it:
- Minimal heat retention in coil-on-coil design
- Euro-style pillowtop for comfort without excessive sink
- Available in multiple firmness options
- Free white-glove delivery
The Saatva mattress offers comfort and cooling: it is built to provide tremendous support without materials that retain heat.
The support core of the Saatva is a layer of strong innerspring coils that give foundational support to the whole mattress, including around the edge. Above these standard coils is a layer of pocketed micro-coils that deliver responsive cushioning to improve spinal alignment.
Innerspring coils do not hold in heat like foams, and air can easily move around the coils to help dissipate heat from other parts of the mattress. The bounce of coils keeps you from sinking too deeply into the bed in a way that could cut off airflow around the body as well.
To supplement the coil-on-coil design, Saatva adds a thin memory foam lumbar pad and a euro-style pillowtop with quilted fabric and foam. These layers are enough to improve comfort and support without making the mattress too soft or too conforming. The mattress is available in three comfort levels — Plush Soft (3-3.5), Luxury Firm (5-6), and Firm (8) — letting you choose the feel that best matches your preferences.
The Saatva mattress comes with free white-glove delivery that includes setup of your new mattress and haul-away of your old one. As a bonus, this means that the mattress doesn’t arrived compressed, avoiding the initial offgassing and foul smells that are standard with many other mattresses.
A sleep trial of 120 nights is available to test out the bed in your own home. You can return the mattress at any point during the trial, but if you decide not to keep it, a $99 return shipping fee will be deducted from your refund.
Why we like it:
- Hybrid design blends pressure-point relief and bounce
- Breathable Tencel cover stays cool against your skin
- Multiple firmness options to select from
- WinkBed Plus option for sleepers over 300 pounds
With thoughtful design and construction, the WinkBed provides an excellent sleeping surface that avoids problems of overheating during the night.
The interior construction of the WinkBed relies on a coil-on-coil design. The support core is 7.5” of pocketed innerspring coils. Right above that is 2.5” of pocketed micro-coils. With these two layers, the WinkBed effectively doubles down on coils to generate impressive responsiveness and bounce.
This bounce helps to prevent feeling stuck in the bed in a way that could block air from moving around your body. The comfort layers of the WinkBed also deliver enough resilience to keep you cool. The top layer is 1.5” of a latex-like polyfoam, and underneath that is 1.5” of gel-infused polyfoam that fights heat buildup.
The Tencel fabric cover helps wick moisture away from the body to promote effective comfort cooling.
These layers avoid sleeping hot, but they still deliver plenty of pressure-point relief so that you can get the support you need. The WinkBed also excels in edge support thanks to a foam encasement that surrounds the support core.
Customers can choose from a Soft (4.5), Luxury Firm (6.5), or Firm (7.5) model of the mattress. Another model is the WinkBed Plus, which was designed for people who weigh over 300 pounds. It uses latex instead of the micro-coils to give more bounce and durability to the bed. This is a compelling option for sleepers over 300 pounds who also worry about sleeping hot.
WinkBeds provides a 120-night sleep trial for all their mattresses, but there is a required 30-day break-in period before you can initiate a return.
Original Purple Mattress
Why we like it:
- Innovative Smart Comfort Grid promotes spinal alignment
- Superb ventilation and cooling with Hyper-Elastic Polymer
- Excellent resilience to avoid feeling stuck in the bed
The Original Purple mattress provides support, comfort, and cooling thanks to its innovative and high-performance comfort layer.
This comfort layer is known as the Smart Comfort Grid, and it is made with a proprietary Hyper-Elastic Polymer. The Smart Comfort Grid is composed of dozens of small squares, and when pressure is applied, those squares compress proportionally. When pressure is removed, the squares rapidly regain their original shape thanks to the spring-like feel of the Hyper-Elastic Polymer.
With this combination of responsiveness and bounce, the Original Purple mattress delivers huge benefits in terms of spinal alignment without the excessive sink that can block airflow and make you feel like you’re sleeping on quicksand.
The Hyper-Elastic Polymer does not retain much, if any, heat, and the open structure of the Smart Comfort Grid ensures adequate ventilation to prevent sleeping hot. Few mattresses can stay cool while still providing the level of support and comfort that is provided by the Original Purple mattress.
Purple provides free shipping and risk-free returns during a 100-night sleep trial. There is no break-in period during this trial, so at any point during those 100 nights you can return the bed for a full refund.
Customers who are intrigued by the Smart Comfort Grid but want a support core of innerspring coils can check out the New Purple Mattress. This option includes pocketed coils with the ability to choose from three different thickness levels of the comfort layer.
Why we like it:
- Durable and responsive all-latex construction
- Reversible firmness design
- Free in-home setup and old-mattress removal
The Zenhaven mattress is a great choice for hot sleepers thanks to its use of latex and that provides a two-in-one firmness design.
The interior of the Zenhaven is entirely built with latex. It is latex produced with the Talalay process to give it a bouncier and lighter feel. There are four total layers – the outside two layers are 1.5” thick, and the two interior layers are 3” thick. The density and firmness of these layers varies, which allows the mattress to have a Medium Soft (4-5) feel on one side and a Firm feel (7-8) on the other. All you have to do is flip the mattress over to alter the comfort feel of the Zenhaven.
For hot sleepers, latex is an excellent option because it doesn’t build up heat the way that memory foam does. Aerated latex used in this mattress helps to permit ventilation that protects against overheating. The bounce from latex can work in the favor or hot sleepers, too, by keeping them from sinking too far into the bed. A cover made with extremely breathable New Zealand wool furthers the cooling properties of this mattress.
Zenhaven includes free mattress setup and haul-away of an old mattress as part of your purchase price. The sleep trial is 120 nights, and this gives you plenty of time to try out both sides of the Zenhaven. The only downside to the sleep trial is that if you make a return, the company will deduct $99 from the refund as a return shipping fee.
Brooklyn Bedding Aurora
Why we like it:
- TitanCool Phase Change Material (PCM) helps rapidly dissipate body heat
- Gel-infused memory foam delivers contouring without the heat retention
- Abundant airflow through innerspring coils
- Multiple firmness choices
The Aurora mattress from Brooklyn Bedding is embedded with features that promote a cool night’s sleep while promoting proper spinal positioning and pressure point relief.
The top layers of the Aurora include the TitanCool Phase Change Material, which is the first line of defense against sleeping hot. This material works to absorb and then diffuse body heat so that it doesn’t accumulate in or around the bed or your body.
A memory foam layer increases the contouring of the mattress, and it is made with a gel swirl that limits the heat retention that can plague other types of memory foam. The CopperFlex foam also fights against heat buildup, and the support core of innerspring coils ensures sufficient ventilation through the mattress.
These intermixed layers of coils and foams work together to ensure solid edge support, motion isolation, and cushioning for the body’s pressure points.
Brooklyn Bedding offers this mattress in three firmness levels: Soft (3-4), Medium (5-6), and Firm (7-8), allowing each customer to get the feel that they need. The cooling features are present in all firmness options.
Brooklyn Bedding is a well-established and respected name in the mattress industry, and the company backs this mattress with a 10-year warranty and a 120-night sleep trial. There is a break-in period of 30 days during which you must keep the mattress, but after those 30 nights, you can return the mattress for a full refund if you aren’t satisfied.
Cooling Mattress Buying Guide
What Components Make Up The Best Cooling Mattress?
Mattress manufacturers know people don’t like to sleep hot. That’s why they take care to include more or less of certain components in the mattress to assist with temperature regulation.
However, some mattresses are worse for hot sleepers than others, simply due to the nature of their construction.
Below we’ll review the various components of a mattress and how they rate at heat retention. You want ones with low heat retention, but high heat transfer, indicating the bed’s ability to distribute heat throughout the mattress to provide a cool, uniform sleep surface. If you’re a hot sleeper, keep an eye out for these materials as you shop for your new mattress.
- Coils: Coils are the main support component used in traditional innerspring beds, as well as many hybrid mattresses. There are various types of coil construction, and all rate well for heat transfer. Individually wrapped pocket coils tend to provide the most contour of all coil types. With a coil support core, there is a lot of room for air to circulate around them, enabling better air flow and temperature regulation. The larger the coil component in the mattress, the likelier it is to stay cool.
- Latex: Latex foams are sourced from rubber trees. All-latex foam is organic, hypoallergenic, and naturally breathable. However, beds can also be made of synthetic latex foam produced from man made materials – these are less breathable than organic latex. Latex foams are typically perforated as well, further enabling air flow and circulation.
- Gel-infused foams: Gel is often touted as a cooling element, which is why you’ll see it in many mattresses as well as foam pillows. The gel works similar to water, absorbing heat without radiating it back out. The heat transfer ability of a gel-infused foam depends in large part on how much gel it contains. The more gel beads in the foam, the cooler the mattress.
- Basic memory foam: Traditional memory foam mattresses are notorious for trapping heat. Memory foam is popular for its ability to contour to the body, but the reason it can do that is because it responds to body heat. When pressure (and heat) from your body is applied to the foam, it reacts by conforming and enveloping around you, further trapping heat.
- Advanced memory foam: Because memory foam gets such a bad rap for trapping heat, manufacturers have developed new iterations that maintain its contouring ability but with less heat retention. Open-cell memory foam provides better air circulation. Copper- and graphite-infused memory foams also help disperse heat.
- Basic poly foam: When it comes to temperature, polyfoam offers a middle ground between latex and memory foam. It’s cooler than memory foam but hotter than latex. Polyfoam has an open-cell structure which facilitates air circulation. However, the density of polyfoam alters its capacity for heat regulation – the denser the polyfoam, the hotter the mattress. Hot sleepers should look out for mattresses with high-density polyfoams in the support layers.
- Advanced polyfoam: Designers offer advanced polyfoam as a better alternative for temperature regulation than regular polyfoam, but it still isn’t recommended for hot sleepers.
If you’re a hot sleeper, it’s not just important that the mattress you choose contain cooling components; where these components lie within the bed itself also matters. The typical mattress contains at least three layers, all enclosed within a cover. You want to have cooling components placed closest to the mattress surface, as that’s where they’ll have the most impact on your own body temperature.
For example, memory foam mattresses are subpar at heat retention, but their contouring ability is unparalleled. As such, many sleepers enjoy the way they conform and envelop their body for support. Some hybrid mattresses aim to improve the heat retention issue by placing cooling gel foams, copper-infused layers, or more above the memory foam layer, thus providing a similar contour to a memory foam bed but with a much cooler sleep surface.
Alternately, hybrid mattresses may address the temperature problem by using an innerspring support core. However, if it is sandwiched between heavy foam layers, the cooling properties of the coil layer will likely be overshadowed.
How Does a Cover Affect Mattress Cooling?
We mentioned above how the placement of the individual layers can affect the overall surface temperature of the mattress. Given that the mattress cover is the closest mattress layer touching the sleeper’s body, it should be of prime importance to hot sleepers
Mattresses tend to contain one of four cover materials:
- Non-quilted covers: Thinner covers facilitate better airflow. As the thinnest cover type, non-quilted covers tend to sleep quite cool.
- Quilted covers: Thicker covers tend to sleep hotter. Quilted covers tend to be thicker than non-quilted covers, especially if they contain poly foam or memory foam for additional comfort. As a result, they often sleep hotter.
- Phase change materials (PCMs): Covers containing PCMs are designed to absorb the sleeper’s body heat up to a certain temperature point, before distributing it throughout the mattress, enabling better temperature regulation while you sleep. This allows the mattress to stay cooler than a quilted cover, although not quite as cool as a non-quilted cover.
- Cooling fabrics: Just as manufacturers infuse copper, gel, or other cooling materials into their foams, they’ve found certain fibers can have a similar effect on the fabric used in the mattress cover. The three main cooling fabrics you’ll encounter include Celliant® fibers, Lyocell, and Lycra® Spandex. Celliant® is made from thermoreactive minerals designed to regulate body temperature and air circulation. Lyocell is made from cellulose, a thin material that sleeps cool. Lycra® Spandex may be familiar to athletes, as they see it in much of their clothing. Its moisture-wicking properties help provide relief for hot sleepers prone to night sweats.