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The Sweetnight Blog

Couple sharing one bed at night with heat building in the space between them
Cooling
Learning Center
Jul 28, 20260 comments

Why Couples Tend to Sleep Hotter Than Single Sleepers

Sleep fine alone but overheat the moment you share a bed? Here is why two bodies make a bed run hot, why one partner runs hotter than the other, and...
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Sleeper resting on a cooling memory foam mattress as body heat is drawn away from the surface
Cooling
Learning Center
Jul 27, 20260 comments

How Does a Mattress Sleep Up to 11° Cooler? 5-Stage Cooling + AirMesh™ Explained

What makes a mattress feel up to 11° cooler? Inside the 5-stage cooling system, the Qmax 0.25 ice silk cover, PCMflux® foam and AirMesh™ breathable memory foam — and what...
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Person kicking covers off while sleeping hot in a cool bedroom set to 68 degrees
Cooling
Learning Center
Jul 27, 20260 comments

Why You Sleep Hot Even in a Cool Room (and How to Fix It)

Sleeping hot even with the AC on? Here is why your mattress and bedding trap heat while the room stays cool, and the cooling fixes that finally work for hot...
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Side sleeper with a pillow between the knees keeping the spine in neutral alignment
Learning Center
Sleep&Health
Jul 24, 20260 comments

Why Your Sleep Position May Be Causing Lower Back Pain

Your sleeping position could be the hidden cause of your lower back pain. See the best and worst positions for your back and the simple fixes you can try tonight.
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Body sinking into dark memory foam with heat glowing at the skin and foam contact surface
Cooling
Learning Center
Jul 23, 20260 comments

Understanding Why Memory Foam Can Feel Hot During Sleep

Love the hug of memory foam but hate waking up sweaty? Here is the material science behind why memory foam feels hot, which foam actually sleeps cool, and how to...
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Man sitting on the edge of his bed in morning light, holding his stiff lower back
Learning Center
Sleep&Health
Jul 22, 20260 comments

Why You Wake Up With Back Stiffness (and How to Fix It)

Waking up with a stiff, achy lower back most mornings? Here is what actually causes morning back stiffness, how to tell if your mattress is to blame, and the fixes...
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