Tips to Not Sleep Hot

Cool down at night with these tips for people who sleep hot.

One of the main complaints customers have about their mattress is that they sleep too hot on it. This is especially true of mattresses that have a lot of memory foam. So how can you sleep cooler on your mattress? This comes down to your sleep environment, your bedding, and the mattress itself.

Sleep environment

  • Keep your room cooler. This is one of the most obvious solutions, yet it sometimes gets overlooked, so I have to include it. To get a good night’s sleep, experts recommend keeping the temperature in your room down. For best results, you should be somewhere between 65 and 70 degrees Fahrenheit. Experiment a little to see what’s the most comfortable.
  • Use a fan. I am a big fan (pardon the pun) of this tip, because I use a big fan in my bedroom. Here’s the model I use (link goes to Amazon. That model may be excessive for some people and rooms, but I like the power behind it). This will help keep your body temperature down and will create airflow to help pull the warm air through the mattress. Furthermore, a fan acts as a source of white noise. On nights I use my fan, I don’t need my white noise machine.

Bedding

  • Mattress protector. If you use a mattress protector (which I recommend), make sure it is breathable. Many of the cheaper plastic-y ones don’t breathe well, and can keep a mattress warmer than it should be. If you suspect the protector might be the culprit, remove it for a night or two to see if that helps. If it does, buy a more breathable protector. If there’s no change, put the protector back on.
  • Sheets. Some sheets are more breathable than others. Flannel sheets are great at keeping you warm in the winter,for example, but that can be rough when it’s warmer. Cotton sheets tend to be hit or miss, depending on exactly what kind of weave they use. If the threads are woven too densely or they’re too thick, air can’t flow through as easily.
  • Blanket, comforter, duvet. Make sure you’re using the appropriate thickness of blanket, comforter, or duvet. I personally like a thick comforter to go along with my cold room, but if you’re sleeping hot, you might need to switch to a thinner blanket.

Mattress

I saved the mattress for last, because it’s the hardest one to change. But, if you’re mattress is getting old anyway, it’s something to consider.

  • Make sure your mattress has some kind of airflow. Things like convoluted foam (which is egg-crate shaped), holes in the foam, and ventilated sides can help airflow through the mattress, pulling some of the heat from your body through the mattress. Innerspring mattresses generally have more airflow than foam mattresses, but an innerspring mattress with a thick foam layer up top can still have issues.
  • Latex foam keeps a more neutral temperature. Latex foam can still get warm, but it warms up more slowly than polyurethane foams like memory foam. Additionally, it generally has small holes that run through the foam that can add more airflow. If you have a memory foam mattress that sleeps too hot, consider getting a latex topper to put some space between you and the memory foam.
  • Phase change materials. This part is a little technical, but some mattresses have something called “phase change materials,” which are materials designed to keep the mattress a more neutral temperature. Instead of warming up or cooling down when energy is added or subtracted, the material changes phase (say, from a gel to a solid and back. This is the same principle as melting ice water. No matter how much you heat it up, until the ice is melted, it stays the same temperature). Phase change materials can also be found in mattress protectors.
  • Gel, etc, in the foam. Some memory foam claims to sleep cool because it uses gel mixed into the foam. For the most part, this is a very minor effect that really isn’t noticeable. It may take very slightly longer to warm up, but that’s about it. Gel foam can have other benefits, like making the foam feel thicker or a little more supportive, but it doesn’t really keep you cool. If any mattress claims that it “sleeps cool” merely because it uses a layer of gel foam, be very skeptical about that claim. This is one of the most oversold new features in mattresses.

Conclusion

In conclusion, there are many possible factors that can keep you sleeping hot, and not all of it is the mattress. Your environment and your bedding also play an important role, perhaps even more than the mattress in some cases. Additionally, be very wary of the hype surrounding gel memory foam. It doesn’t make a big difference. The other factors overwhelm any benefit gained from mixing gel into the memory foam.

Published by Jeff Lopez

Hi! I am Jeff Lopez an expert in the Home Decor and Furnishing Industry. I am not the owner of the content which has been published here. This content is only for informational purposes. This content belongs to the respective owners and I do not hold any right for this content.

One thought on “Tips to Not Sleep Hot

  1. Sleep often suffers during hot weather. It makes person uncomfortable, sleepiness is linked to a small drop in body temperature. If the body can’t lose heat, it makes it much harder to fall asleep. It is amazing post, to the point article.
    Thanks for sharing this great information. keep it up!

    Like

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