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Do Memory Foam Mattresses Get Hot

Use Covers On Top Of Your Memory Foam Mattress

Will my memory foam mattress sag and make me hot at night?

Covering your foam mattress with protectors made out of natural and breathable materials can lower its temperature to more comfortable levels.

Simple mattress protector will keep odors away too, and they will make your life easier as you can wash them more often. Covers will also protect it from being stained and will keep it in pristine condition.

There are covers specifically made for memory foam mattresses with an increased airflow. Some of them even draw moisture from the skin and distribute it evenly across the covers surface area.

This will reduce sweat and help to keep you cool during the night. Being easily removable they can be washed as many times as you like. Cleaning them is easy as they are machine washable.

Cooling Pads & Toppers

This is probably one of the easiest ways to make your bed feel cooler. There are specially designed toppers and cooling pads meant to keep your body cool. The Slumber Cloud nacreous mattress pad is an ideal solution. Its affordable and lightweight. It slides right over your mattress like a sheet. It uses special Outlast viscose fabric. It manages the microclimate under your covers, keeping you cool all night long.

If you would rather have something that adds more padding to your bed, opt for something like the extra plush bamboo topper. Bamboo is also a natural moisture wicking material meant to regulate body temperature. You can also find other bedding options such as sheets, pillowcases, duvets, and more for cooling you down while you sleep.

What Are The Benefits Of Memory Foam

Could the special properties of memory foam enhance your sleep? Sleep specialist Donna L. Arand, PhD, says that objective studies supporting the claimed benefits of memory foam — or the effects of any particular type of sleeping surface — are lacking.

This is true for a variety of reasons, she says. This type of sleep study can be expensive, if conducted independently. Or it is “chased” by a shadow of bias, if supported by industry.

Also, some sleep technology, such as memory foam, is relatively new, so it hasn’t been well studied. But perhaps one of the more difficult stumbling blocks to testing the health benefits of mattresses such as memory foam is the subjective nature of sleep. It is simply difficult to measure.

Sometimes the brain’s electrical activity, measured with an electroencephalogram , and other findings recorded during a sleep test don’t always match up perfectly with a person’s subjective experience, says Arand, who is the clinical director of the Kettering Sleep Disorders Center in Dayton, Ohio. “They might say, âI had a great night’s sleep,’ but the EEG parameters might not really indicate that.”

Sleep is not only subjective, but preferences for sleep surfaces are individual, Arand says. “There’s quite a bit of variability between individuals in terms of what type of surface — whether it’s firm, hard, or soft — they prefer when they’re sleeping,” she says. “As far as we know, there is no rhyme or reason for that.”

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Whats Making You Hotter

First of all, what is it about the memory foam mattress thats making you heat up? The answer of course lies in what its made from. The foam itself is a soft, highly absorbent substance, which was originally designed for NASA aeroplane seats. Essentially the foam can mould to the contours of your body shape to support you as you sleep.

However, in order to do this, the foam needs to soften first by reacting to the heat of your body. Unlike our highly breathable Natural Fibre mattresses, the foam is also completely synthetic, meaning it effectively reflects your body heat back towards you. Essentially youre lying on a heated surface all night. It also cant really help with moisture either when you start sweating, any moisture remains on the surface, leaving you to wake up hot and clammy.

Every time you sleep on the foam, this heat is molding itself around your body, causing your body temperature to increase. Excessive sweating is bound to follow if youre a hot sleeper, even if your bedroom temperature is quite cool. Granted that excessive sweating can be caused by other medical conditions, but if sleep on memory foam, its worth checking whether this is just making things worse.

Choosing The Best Mattress

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Whether you are a hot sleeper or a cold one, you are sure to find a perfect mattress for you. The goal is to choose one that matches your preferences.

For example, if youre a side sleeper who is keen on finding a mattress that relieves pressure points but doesnt sleep hot, you may opt for gel-infused memory foam or plant-based memory foam rather than the usual memory foam mattress. These types of mattresses have lower heat retention abilities. Knowing your options can save you from having to deal with hot, sweaty nights.

As mentioned above, the material your mattress is made from determines how much heat it retains. Here is how different types of mattresses retain heat.

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What Is Gel Memory Foam

Gel memory foam is a relatively new product that first became popular in the early 2010s. It is simply memory foam that has small gel particles or beads either infused into it or, less commonly, applied as a layer on top.

Most gel memory foams use either thermal gel, which is cool to the touch, or phase-changing gel, which transitions from a solid to a liquid when the temperature of the mattress rises. Both of these gels are designed to draw heat away from the sleeper, resulting in a more comfortable surface temperature.

These same cooling beads can also be infused into other types of foam, including latex and polyfoam. You will see it most often in memory foam, however, simply because memory foam often struggles to maintain a cool temperature.

Switch To A Cooling Mattress

Unlike traditional all-foam mattresses, a gel memory foam mattress uses gel infusions to absorb and disperse heat. Similarly, hybrid mattresses combine innerspring coil and foam to offer the comfort of traditional memory foam with a reduction in heat.4

At Casper, we have always looked for ways to improve your sleep with our mattresses while keeping you comfortably cool during the night.

cool. The HeatDelete Bands in our Snow Technology eliminate more than 34% of extra heat. Our signature breathable foam is also made better with the QuickCool Cover, created with Phase Change Material to instantly cool when you crawl into bed. This way, you can enjoy the best of both worlds cozy comfort and a cool nights sleep.

For the coolest sleep ever, upgrade your mattress and bedding with the Casper Cooling Collection. From our mattresses Snow Technology to our breathable Hyperlite Sheets, youll stay cool through the night.

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How Much Does A Memory Foam Mattress Cost

The typical price range for memory foam mattresses goes from $800 to $2,500, but there are options with price tags above and below that range. A number of factors can influence the cost of these beds:

  • Thickness of the memory foam layer: If there are more layers or thicker layers of memory foam, the mattress will likely have a higher price.
  • Density of the memory foam: Mattresses that use high-density memory foams tend to be pricier, but they also normally last longer.
  • Where its made: Mattresses made in the USA tend to be more expensive than those made in China or other countries.
  • Extra features: Specialty design elements or materials can push up the price of a memory foam mattress. For example, textiles to fight heat buildup or the use of organic materials can add to the cost.

Even for higher-end models, there are often discounts or promotions that can give customers significant savings from the sticker price.

Are Memory Foam Mattresses Hot

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Lower temperatures are one of the most important factors for a good nights sleep, signaling to our body that its time to restrest which is well-earned and well-deserved.1

As far as mattresses go, traditional memory foam structures do retain more heat than some other types because of how their foam material is designed. But if youve ever had the pleasure of snoozing your alarm from the cozy embrace of your memory foam mattress, youll know theyre about as soft and fluffy as a cloud.

But, just how hot is the average memory foam mattress? And are there memory foam mattresses that have the cool factor?

There certainly are. There are a wide variety of solutions available if you crave the comfort of a memory foam mattress but dont want to compromise on a cool sleeping experience. Youll never have to ask are memory foam mattresses hot again because, while the average memory foam mattress might be, yours definitely wont be.

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How To Cool Down A Hot Memory Foam Mattress

By Sarah Anderson, Certified Sleep Science Coach

There are many benefits to memory foam mattresses. Pressure and pain relief, motion isolation, not to mention theyre one of the best types of mattresses for side sleepers.

However, theres one well-known drawback memory foams tendency to hold onto body heat. If youve woken up sweaty and hot in the middle of the night, it might be from your memory foam mattress.

Its not good to lose sleep from overheating, but there are steps you can take to cool down your mattress. Your bed frame, bedding, and bedtime routine can all help you achieve a cooler night of sleep.

Is Heat Bad For Memory Foam

Tempting as it may be to warm your memory foam mattress as quickly as possible with a hot water bottle or electric blanket/heating pad, we advise you not to do so. Such direct applications of heat can damage the memory foam material and not only compromise its performance but also shorten its overall lifespan.

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What Is A Good Memory Foam Pillow

Pillows are a highly personal choice, but we believe you cant go wrong with a Tempur-Pedic memory foam pillow. A word of caution, though. Theyre not cheap. Many mattress companies make their own pillows, so if youve found a brand of beds you like, youll probably sleep well on their pillow, too.

We also like a couple of brands that allow you to add and remove foam so that you can customize the size and shape of your pillow.

Check Out Our Guide:Best Memory Foam Pillows

Best Cooling Pillowbrooklyn Bedding Talalay Latex Pillow

Do Memory Foam Mattresses Feel Hot?


The Brooklyn Bedding Talalay Latex Pillow is made from 100% natural Talalay latex. If you like your memory foam mattress, chances are youll also like the feel of latex. Derived from trees, latex is a natural material that conforms to the body and offers excellent support. Its more responsive and bouncy than memory foam, so it tends to sleep cooler, and Talalay latex is especially breathable.

The Talalay Latex Pillow by Brooklyn Bedding is available in high or low loft levels, so you can choose one thats right for you and your sleeping position. It also comes with a moisture-wicking, antimicrobial cover for a healthier sleep environment.

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Good For All Sleeping Positions

Memory foams contouring and cradling properties make it an ideal surface for all sleeping positions. Side sleepers get support in their hips and shoulders back sleepers get lumbar support and, stomach sleepers are less likely to have their low back bow into the bed.

Many people are combo sleepers, meaning they sleep in two or more positions during the night. The beauty of this material is that since it accommodates all of those positions, you dont have to make a choice that would compromise your ability to sleep on your stomach, for example.

This means its also an ideal mattress option for couples. If one of you sleeps on your side, while the other partner is a back sleeper, then viscoelastic helps you reach a compromise that youll both be happy with.

Why Are Memory Foam Mattresses Hot

Memory foam mattresses may suit people who live in very cold climates because they retain body heat. The viscoelastic chemicals of the memory foam material within the foam give it its memory and why your body indentation springs back as you move. The viscoelastic chemicals are also the reason why memory foam sleeps hot because your body heat is unable to escape the mattress.

Memory foam mattresses sleep hot because

  • Its dense structure
  • Viscoelastic chemicals

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Why Your Memory Foam Mattress Is Too Hot

Heat retention is a chief concern for memory foam mattress owners. Thankfully, there are solutions. Memory foam mattresses are now engineered with cooling technologies, which pull heat from the sleeper. Even though cooling mattresses are available, not everyone has the budget to get a new mattress just because theyre sleeping too hot on their current bed.

Simply changing your sleepwear, bedding, or placing your mattress on a foundation can better promote air circulation and prevent you from overheating.

In this article, well explore why memory foam mattresses feel hot and how to overcome heat retention by changing your bedding and sleep habits.

Add A Topper Or Mattress Pad

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Mattress pads and cooling mattress toppers are an inexpensive fix and one of the most effective ways to cool down your foam mattress.

Adding a layer of natural material, such as wool, to your mattress can foster air circulation between your skin and the bed. Wool and cotton toppers naturally regulate temperature and wick away moisture.

Gel-infused memory foam can also provide support for sagging mattresses by pulling heat away from the sleeper.

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What To Do If Your Memory Foam Mattress Is Too Hot

No one likes waking up in the middle of the night feeling hot, clammy and sweaty. However, this is often the case for many hot sleepers. Does this sound all too familiar? If it does, did you know that sleeping on a memory foam or gel mattress could be making things worse?

The material in a memory foam mattress can actually make you heat up, leaving you feeling sweaty and increasingly uncomfortable. If you own a memory foam mattress and are concerned about what to do, then weve got some tips to help you keep cool at night.

What Is Memory Foam Made Of

Memory foam is typically a blend of polyurethane and other chemicals that make it more dense. This density exists to aid the foam in keeping shape, which allows memory foam mattresses to last up to 10 years. Because of its raised viscosity, it is also called viscoelastic polyurethane foam. Memory foam is made react to body heat and conform to your bodys shape, giving it the wonderful supportive properties everyone loves in a mattress.

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Find The Right Mattress Pad Or Topper

Mattress pads and toppers are one of the best hot mattress solutions if you feel like your memory foam mattress keeps you too warm at night. Not only can they protect your mattress and add additional mattress support, but they can also help keep you cool while you sleep. In general, youll want to find a pad or topper that is made from natural materials, fibers, down, or even feathers. In fact, some mattress toppers even have special cooling technology that can help keep you cooler whether youre sleeping on a memory foam mattress, innerspring mattress, or a hybrid.

The Ideal Sleeping Environment For Hot Sleepers

Lucid 10 Inch Gel Infused Memory Foam Mattress Full 2020 ...

Your mattress isnt the only thing you should focus on when trying to find ways to sleep cool. Instead, consider your entire sleep environment. Many mattress and sleep accessories can help or hinder your efforts toward temperature neutrality.

Figuring out the ideal sleep temperature for your body is a step you can take toward a better nights sleep. Then, opt for bedding items that will help support your goal of staying cool throughout the night.

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Will Synthetic Chemicals Cause Health Problems

Some people worry about memory foam mattress problems attributed to polyurethane. The jury is still out as to whether it causes health problems for more than a handful of ultra-sensitive people.

The Maniac’s opinion is that people have been sleeping on polyurethane based visco elastic foam for about 20 years. You’d think that would be enough time for long term exposure problems to become evident. If you’re concerned with this issue, there are some newer, so-called natural memory foam mattresses like Tandalay that claim to reduce or eliminate these problems.

The Cooling Ability Of Different Types Of Mattresses

There are multiple types of mattresses sold in the current mattress market. Different types of mattresses are able to keep sleepers cool throughout the night to varying degrees. Generally, mattresses that fall under each category are constructed similarly and share many of the same features.

Of course, there is still plenty of variation within each mattress type. Quality of materials, construction methods, and additional features of specific models will affect how good a particular mattress is for you.

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Are Memory Foam Mattresses Hot To Sleep On

Traditional memory foam mattresses first appeared in the 1990s and quickly gained popularity for their ability to cradle the body and provide excellent pressure relief.

But these mattresses were definitely hot, and there are a few reasons why memory foam retains body heat. One is the materials structure the dense foam has less airflow than other materials but is needed to give structure.

A second reason is the way that memory foam contours and hugs the body. This can trap heat and detract from your bodys ability to thermoregulate its temperature.

Fortunately, technology has moved on and recent innovations mean that you no longer have to suffer hot sleeping to get the body contouring benefits of memory foam.


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