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Why does memory foam get hot?

This is one of the most frequently asked questions. Memory foam works by reacting to heat which allows the materials open cell structure to change and flex to the warm shape placed upon it. Like any foam, it will retain heat.  For some people, this is not a problem they barely notice, but for other ‘hot sleepers’ they have complained that it becomes too hot. It really is a personal preference but by its very nature memory Foam is heat-retentive.

Thermometer john ryan

Due to Memory Foam reacting and softening to heat it can, therefore, feel softer in the summer warmer months and firmer in the winter. This depends on the temperature of the room. Some people love the heat retention and comment how it keeps them nice and warm. Others dislike the heat and prefer a cooler material such as a Hybrid Foam mattress or Latex. All foams will, however, be warmer and more retentive than a Pocket Sprung Natural Mattress, again it is personal preference.

The new Hybrid range of mattresses uses more innovative types of foams that have heat dispersing properties. These Hybrid foams evenly distribute the heat through the material providing a cooler sleeping experience for the person, such as Coolblue or don’t rely on heat at all to provide their softness and comfort, Laygel is a perfect example of this. Latex is naturally breathable allowing air to circulate preventing the mattress from retaining too much heat.

There are also aeration layers, such as castellated foams, that are put into mattresses which have benefits and drawback as well. Due to the fact that castellations can change the feel and firmness of the foams we don’t currently use or manufacture with these methods. We believe with the newer Hybrid Foams and Latex this is unnecessary.

Summary

Our advice if you’re concerned is to either try out a memory foam mattress from a friend or in a hotel first to establish just how warm you will get. Another idea is to change the tog of your duvet, kind of bed sheets you have or room temperature. Failing that if the temperature is the main concern we would advise either a Hybrid Foam, Latex or Traditional Pocket Sprung mattress.The preference is really down to you, If you took two people on the same winters day and gave them an identical jacket, one may feel smothered in it whilst the other loves the snug feeling so it really is very subjective.

 

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