Why Does It Feel Like My Sleepyhead Mattress Topper Is More Firm In The Colder Months?

Posted by Courtney Tobey on

As we are in the thick of winter, you may notice a change in your Sleepyhead mattress topper’s firmness.   Rest assured, this phenomenon is normal and requires no cause for alarm. Let's delve into why foam toppers firm up in colder temperatures and why there's no need to worry.

Foam mattress toppers, like those from Sleepyhead, are crafted from gel-infused memory foam or copper-infused memory foam, renowned for their comfort and support. However, these materials are sensitive to temperature changes due to their cellular structure.

In warmer temperatures, foam softens as air pockets within the material expand, creating a plush surface that contours to your body. Conversely, colder temperatures cause the foam to firm up as air pockets contract, resulting in a more rigid feel.

This firming up of foam in the cold is due to thermal contraction, where molecules lose kinetic energy, causing them to move closer together. This denser structure leads to reduced flexibility and a firmer mattress feel.


But why shouldn't you worry about your Sleepyhead topper feeling firmer in the cold? Firstly, it's essential to understand that this change in firmness is entirely normal and does not indicate any damage to your topper. Foam materials are designed to adapt to temperature fluctuations, ensuring long-lasting performance and comfort.

To maintain optimal comfort during colder months, consider the following tips:

  1. Allow for Adjustment Time: When lying down on your mattress in the cold, give it a few moments to warm up and conform to your body's contours.
  2. Use Additional Bedding: Layering blankets can provide extra insulation, helping to mitigate the effects of cold temperatures on your mattress.
  3. Maintain Consistent Room Temperature: Keeping your bedroom at a comfortable temperature can minimize fluctuations in mattress firmness.

In conclusion, the firming up of foam mattress toppers in colder months is a natural response to temperature changes and is not a cause for concern. Sleepyhead assures you that your topper is designed to withstand varying conditions while delivering the ultimate in comfort and support.

So, embrace the cozy winter nights knowing that your Sleepyhead has got you covered, regardless of the temperature outside. If you have any questions or concerns about your Sleepyhead mattress topper, our dedicated customer support team is always here to help. Happy sleeping!

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