الثلاثاء، 9 مايو 2023

Are cooling mattresses the real deal, or is it just marketing? CNET’s sleep expert weighs in


Many mattress brands claim to offer cooling mattresses that can keep you cool while you sleep. However, many mattresses that claim to have cooling technology fall short of expectations. Is it just too good to be true?

It can definitely be frustrating when you buy a mattress hoping it will provide cooling relief, only to be disappointed that it doesn’t work. The good news is that there are a few beds that live up to their cooling claims. Read on to find out what materials to look out for, red flags to avoid, and the best cooling mattresses you’ve seen so far.

The truth about cooling mattresses

As a mattress tester, I’ve personally experienced the feel of over 100 different mattresses, and only a handful of them could walk. Let’s say you have 10 mattresses in front of you. Six of them claim to be cooling, but only two will be effective at doing so.

However, this does not mean that the mattress brands that make these beds are lying to you. While the wording is misleading, brands add substances to mattresses that help them regulate temperature better than traditional beds. So, while they don’t cool, per se, they do sleep cooler than the bed your mom and dad had when they were younger. Unfortunately, when you’re a hot sleeper, temperature-regulating materials don’t quite get the job done.

The best refrigerant

Phase change materials

Beds like Cocoon Chill contain phase change materials that are surprisingly effective at absorbing your body heat and making you feel less warm. In my family testing experience, phase change materials tend to work better than foams filled with coolant gel or graphite (more on that below).

special materials

Some of the most unique beds are those from the Purple catalog – Original Purple and Purple hybrid mattresses. The brand has created a revolutionary mattress material, unlike any foam you’ve seen before. The material resembles a slime or Dr. Scholl’s slipper. Combined with the Purple Grid design, it is great at preventing heat retention and enhancing airflow.

cooling covers

bed like GhostBed Luxe It has “Ghost Ice” fabric and cooling fibers in the cover to make the bed feel physically cooler. It’s pretty cool technology (no pun intended), and a feature you don’t find in many mattresses. I have found these cooling beds to be incredibly effective and instantly provide relief to help promote a more restful sleep environment.

Read more: The best cooling covers

temperature regulating materials

I define a temperature regulating material as one that helps prevent the mattress from overheating but doesn’t cool you down effectively. Often, if a bed has only one type of temperature-regulating material and no cooling blanket, he or she will sleep with a neutral temperature.

Saturated foam: some mattresses such as Layla mattress It includes foam infused with a special material that absorbs heat away from your body and spreads it throughout the bed. This often includes copper-infused, graphite-infused, or gel-infused foam.

Open cell foam: skein and needle Casper mattresses are made of open-cell foam that has small air bubbles throughout. This allows for better airflow than high-density foam, making for cooler sleep than a traditional foam mattress.

Perforated foam: bed like Arranged in avocado green Made of latex foam that has perforations all over the layer. Latex foam increases airflow, preventing the bed from retaining heat and sleeping with a more neutral temperature than heat.

Moisture-wicking materials: Watch out for cooling sheets made of “moisture-wicking” materials. While these help regulate temperature and wick away perspiration during the night, they will not make the bed a true cooling mattress.

Do cooling pads and covers work?

Yes and no. The same logic behind cooling mattresses applies to pillows and toppers. There are many bedding products out there that claim to promote a cool feeling, but you really need to pay attention to those special materials mentioned above for a true cooling product. I’ve seen several effective cooling pads, including GhostPillow and Purple Harmony, and a few more cooling covers Like GhostPillow or TempurPedic models. So, they’re out there — you just need to do some research to find the products that will actually work for you.

Tips for sleeping cold at night

Besides the cooling mattress, topper and pillow, there are other tips and tricks you can use to help you Sleeping cooler at night (without having to buy anything).

Freeze pillows and sheets before going to bed. It won’t stay cold all night, but it will be icy long enough to fall asleep. Turn off the heat at its source and use blackout curtains during the day to prevent your bedroom from overheating.
Make use of fans and create a cross draft in your bedroom.
Use lightweight, moisture-wicking pajamas to hold sweat and promote airflow.
Remember, hot air rises – if you have a two-story house, try sleeping on the first level.

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