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How to Keep Cool on a Memory Foam Mattress

How to Keep Cool on a Memory Foam Mattress

Memory foam mattresses are celebrated for comfort, but their heat retention often raises questions. Unravel the science behind their warmth and discover practical cooling tips.

1. Memory foam mattresses and heat: why?

Memory foam material responds to body temperature

Before I came across memory foam mattresses, I was always curious as to why this material tends to give a warm feeling. Later, I learned that it actually has to do with the physical properties of memory foam. Here is my summary of its principles:

  1. Highly reactive: memory foam is a temperature-sensitive material. When it comes into contact with body temperature, it becomes soft, allowing it to mold to the contours of the body. In this way, the mattress can provide very good support and comfort, but it can also lead to heat accumulation.
  1. Density and heat transfer: Higher density memory foam tends to mean better support and longevity, but it can also lead to heat being more difficult to dissipate. Therefore, when choosing a memory foam mattress, you need to find a balance between comfort and temperature regulation.

Memory Foam Heat Conductivity Characteristics and Common Problems

Sometimes I find memory foam mattresses hotter in the summer, which is not only my personal feeling but also a common experience for many people. In order to better understand this issue, I have conducted some research:

  1. Heat Buildup: Due to the sealed structure of memory foam, it may not dissipate heat as easily as other mattress materials. This causes heat to build up inside the mattress, which in turn raises the surface temperature of the mattress.
  1. The impact of humidity: high humidity conditions, memory foam mattresses may feel hotter. Humidity not only affects the temperature of the mattress, but may also affect its comfort.
  1. How to solve the problem: for the heat sensation problem, one solution is to choose a memory foam mattress with gel injection. The gel particles can help disperse heat, thus providing a cooler sleeping experience.

While memory foam mattresses do have some heat-related issues, it is possible to ensure a comfortable sleeping experience by understanding and choosing the right product.


2. How to make a memory foam mattress cooler

Ventilation design and application of special materials

  • Use of breathable mattress covers

Using a mattress cover made of natural fiber materials, such as cotton or bamboo fiber, can effectively improve the breathability of the mattress. This helps the heat emitted from the mattress to evaporate faster, resulting in a cooling effect.

  • Consider buying a gel memory foam mattress

Gel memory foam mattresses differ from traditional memory foam mattresses by incorporating gel particles into the material. This special design effectively conducts heat away, providing a cooler sleeping experience.

  • Increase ventilation at the bottom of the mattress

If the bed frame allows it, consider placing a ventilated mesh panel under the mattress to increase air circulation at the bottom of the mattress to help dissipate heat.

Tips and life hacks for personal adjustments

  • Choose breathable sheets and covers

I personally highly recommend sheets and covers made of natural materials such as cotton or linen. Not only are they breathable, but they quickly absorb and dissipate body heat, ensuring the bed stays cool.

  • Freezing bedding

In the summer, I often put sheets or pillowcases in the fridge or freezer to cool for a while. Laying them on before going to bed can quickly give your body a cooler feeling, especially on hot nights.

  • Use a specialized cooling pad

There are cooling pads on the market designed for mattresses, such as water-cooled or air-cooled mattress toppers. Using them can quickly reduce the temperature of the bed surface and provide a cooler sleeping experience.

  • Adopt good lifestyle habits

I have found that avoiding sugary or caffeinated beverages and strenuous exercise in the evening reduces the body's metabolic rate and lowers the body's temperature, which in turn reduces sweating and heating at bedtime.

  • Adjust the room temperature

Maintaining the room within an ideal temperature range will help provide a cooler sleeping environment. In my experience, an indoor temperature control between 20-24°C is ideal.


3. Mattress topper: How to choose?

When looking for the right mattress topper, I have found that the options are actually quite varied. And choosing the right layer not only provides extra comfort, it can also play a key role in temperature regulation. Let me explain this in more detail for you.

The different types of padding layers and their effect on mattress temperature:

  1. down cushion layers:

Down bedding layers are usually made from swan or duck feathers. It provides a soft touch and great insulation. However, for people who sweat a lot or live in warmer climates, this type of padding may make you feel too hot.

  1. gel padding:

The main feature of gel padding is its cool feel. Gel helps disperse heat and prevents it from building up in one part of the mattress. This type of padding layer is a good option for those who tend to sweat or feel hot.

  1. memory foam topper:

While memory foam itself can be slightly hot, today's memory foam toppers often have gels or other materials added to provide an extra cooling effect. It adapts well to the shape of the body while providing support.

  1. latex padding:

Latex is another popular padding material that is both flexible and supportive. It is a naturally anti-allergenic material, making it a great choice for those with allergies. Compared to memory foam, latex offers better temperature regulation.

How to properly install mattress padding:

  1. Make sure the mattress is clean and dry:

Before placing the padding layer, make sure the mattress is free of stains or moisture, which will ensure that the padding layer fits tightly to the mattress.

  1. Spreading the mattress layer:

Starting from one end of the mattress, slowly unfold the bedding to make sure it is flat and wrinkle-free. If there are wrinkles, gently stretch the layer to eliminate them.

  1. Secure the layers:

Some higher-end layers have elastic bands or fixing straps that can be fixed to the corners of the mattress. Ensure that the layers are stable and won't move around during the night.

  1. Test lie and adjust:

Test lie for a few minutes to make sure the layers are positioned and as comfortable as you expect them to be. If necessary, adjust the layer again until you are satisfied.

  1. Keep clean:

Clean and care for the padding regularly to ensure it lasts longer. Follow the manufacturer's cleaning recommendations and vacuum and clean regularly to prevent the growth of dust mites and bacteria.

4. Memory foam mattresses and side sleeping: How does one affect the other?

As a side sleeper, I know that choosing the right mattress can have a crucial impact on the quality of my sleep. As I began to consider purchasing a new memory foam mattress, there were a few key questions I needed to think through.

Why do side sleepers have specific needs for mattress firmness and temperature?

  1. Pressure Distribution

When sleeping on our sides, our shoulders and hips carry most of our weight. If the mattress is too hard, these two areas may feel pain. Therefore, I need a mattress that can adapt to the contours of my body to help disperse pressure and reduce pain.

  1. Temperature Adjustment

Unlike sleeping on my back, sleeping on my side makes the contact area between my body and the mattress increase, which may lead to heat accumulation and make me feel overheated. Therefore, a mattress with good temperature regulation is very important to me.

How to choose a memory foam mattress for side sleepers?

  1. Choose a moderate firmness

For side sleepers like me, choosing a medium to medium soft mattress is best. This ensures that your shoulders and hips are adequately cushioned while maintaining the normal curve of your spine.

  1. Consider a hybrid mattress

While I love memory foam mattresses, I've found that a hybrid mattress in a box (combining memory foam and springs) may be a better option given the temperature and support issues. Not only does it provide me with the support I need, but it also provides better ventilation through its innerspring layer.

  1. Look for a mattress with cooling technology

There are many mattresses on the market today that feature special cooling technology, such as gel-infused memory foam. This type of mattress helps regulate the temperature and ensures that I don't feel too hot while I sleep.

  1. Try Laying Before Trying

Finally, I think it's very important to test lay a mattress before buying. This ensures that the mattress I choose really meets my needs and provides me with a comfortable sleeping environment.


5. Environmental Adjustment: Controlling Your Sleep Environment

When I first purchased my memory foam mattress, I quickly realized how critical my sleep environment is to staying cool. Here are some suggestions I've summarized from my experience and research to help you better regulate your sleep environment:

1. Room temperature regulation: finding the optimal temperature

Find your personal comfort level

Everyone's thermoregulation is different. Some people may prefer a slightly colder environment, while others may need a slightly warmer one. But most studies point out that keeping the room temperature between 18-22 degrees Celsius is probably optimal.

The use of smart thermostats

Using a smart thermostat helps me set a constant room temperature. I usually set it to 20 degrees Celsius in summer and 18 degrees Celsius in winter, which ensures a stable and comfortable environment regardless of the season.

2. The importance of humidity: not too humid, not too dry

The Magic of Humidifiers

I have found that a humidifier is a great investment. During humid months, I'll set it to a hygroscopic mode to keep the humidity in a comfortable range of 40-60%.

The Helpfulness of Plants

Placing houseplants that absorb or release moisture, such as ferns or cacti, can also help regulate indoor humidity.

3. Air circulation: Keep the air fresh and circulating

Open the windows regularly

Even in winter, I choose to open the windows slightly for 5-10 minutes sometime during the day to keep the air fresh.

Use an air purifier

I also place an air purifier in my bedroom, which not only filters out dust and impurities from the air, but also promotes air circulation.

4. Bedding selection: material and design determine comfort

Choose cotton or bamboo fiber bedding

These materials do a great job of absorbing moisture and wicking away sweat to help keep your body cool. I especially like to use bamboo fiber sheets because they are cool to the touch and work great in the summer.

Consider a breathable mattress cover

In addition to sheets, it's crucial to choose a breathable mattress cover. This ensures that the mattress doesn't absorb too much heat and helps me stay cool at night.

6. What you should know when your mattress ages

As a longtime mattress user, I know how important mattress comfort is to a good night's sleep. However, as a mattress begins to age, it may gradually decline in performance, which can affect the quality of our sleep. Here are a few things you should know about aging mattresses:

1. How can you tell if your mattress needs to be replaced?

  • Noticeable dips or bumps: If some parts of the mattress begin to sag or bulge, this could mean that the support structure of the mattress has been compromised.
  • Persistent back or neck pain: If you wake up with frequent back or neck pain, this may be because the mattress is not providing adequate support.
  • Increased allergic reactions: Over time, the mattress may accumulate dust mites and other allergens, which can cause allergy symptoms to worsen.
  • Abnormal noises from the mattress: If the mattress squeaks or makes other abnormal noises when you move it, this may mean that some parts of the mattress have been damaged.

2. Temperature problems that may be brought about by aging mattresses

  • Weakened temperature regulation: Newer mattresses usually have good temperature regulation features, but these may weaken over time, causing the mattress to become hotter.
  • Aging of Memory Foam Material: Over time, memory foam mattresses may become denser, reducing their breathability, which can cause the mattress temperature to rise.


  • Consider using mattress toppers, especially those with temperature-regulating features.
  • Keep the room temperature moderate and make sure the bedroom is well ventilated.
  • Consider new mattresses, especially those designed for temperature management.


7. Why choose a Suilong memory foam mattress?

Among the various mattress brands, I have a strong preference for the Suilong memory foam mattress, which gives me a different sleeping experience. When I was choosing a mattress for my new home, after in-depth research and comparisons, I chose Suilong for the following reasons.

1. Unique temperature control technology

Memory foam mattresses have been criticized for overheating, but Suilong is clearly at the forefront of technological innovation. Through a series of technological innovations, Suilong has managed to break away from this traditional view and provide me with a sleeping environment that is both soft and cool.

2. Material selection and treatment

Suilong is very strict in the selection of materials to ensure that each mattress comes from high quality raw materials. During the manufacturing process, it utilizes special treatments designed to enhance the breathability of the mattress, which allows me to have a dry and airy sleeping environment every night.

3. Multi-functional design

In addition to the basic memory function, the Suilong mattress also takes into account various user needs, such as different preferences for firmness or health issues. This allows me to choose according to my needs when buying, and I am no longer limited to a single product type.

Advantages of the Suilong Nimbus 12 Inch Hybrid Mattress, the main product of the range

Speaking of Suilong, I have to mention their main product, the Suilong Nimbus 12 Inch Hybrid Mattress, which is one of the few products that I love so much that I can't get enough of it. Here are the reasons why I am in love with it:

  1. Temperature Control Function

This mattress combines memory foam with other materials to ensure that it is not only soft, but it also greatly improves its breathability. On summer nights, I no longer turn over repeatedly because the mattress is too hot, which really brings me a cool summer.

  1. Moderate price

As a staple product, the Suilong Nimbus 12 Inch Hybrid Mattress is relatively fairly priced. Comparing with other brands in the market with the same features and quality, I find it really cost effective.

  1. Professional after-sales service

After purchasing the Suilong Nimbus 12 Inch Hybrid Mattress, the company provided a detailed guide on how to use and maintain the mattress to ensure that I would be able to use the mattress for a long time. Moreover, their after-sales team responds quickly if any problem arises, which gives me great peace of mind.

suilong Nimbus 12-inch mattress

Suilong Nimbus

12 Inch Hybrid Mattress

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While memory foam offers unparalleled support, understanding its heat dynamics is key. Implementing the right solutions ensures cooler, restful nights.



Q: Why do memory foam mattresses feel warmer than traditional mattresses?

A: Memory foam mattresses are temperature-sensitive, conforming closely to the body, which can cause heat retention. Their dense structure also tends to trap heat more than traditional innerspring mattresses.

Q: Can a mattress topper help in making my memory foam mattress cooler?

A: Yes, certain mattress toppers, especially those made with gel-infused memory foam or natural materials like latex, can enhance breathability and reduce the heat retention of your memory foam mattress.

Q: Are there specific beddings recommended for memory foam mattresses to keep cool?

A: Absolutely! Breathable, moisture-wicking sheets and covers, preferably made from natural fibers like cotton or bamboo, can help in reducing heat buildup on memory foam mattresses.

Q: Why do some people stop buying memory foam mattresses?

A: While memory foam offers great support and contouring, some users find them too warm or feel they "sink in" too much. Personal preference, heat retention issues, or a desire for a bouncier feel can influence buying decisions.

Q: Is it okay to sleep on a new memory foam topper before waiting 48 hours for it to expand?

A: While it won't harm the topper, it's recommended to wait for it to fully expand to get the best comfort and support. Using it prematurely might not provide the optimal sleeping experience.

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