Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Learn facts about sleep, during which the body rests, recuperates and performs essential repairs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Good Sleep is a new climate-controlled mattress topper that uses surgical-grade water-cooling technology to help users spend ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Researchers at the University of Lausanne have identified a novel role for the brain's 'locus coeruleus' in sleep and its disruptions. This brain region facilitates the transition between NREM and REM ...

Although we know sleep is essential to our physical and mental well-being, it remains an incredibly enigmatic behavior, scientifically speaking. Researchers at the University of Michigan, however, may ...

Stress. Anxiety. Noisy neighbors. Blanket-hogging partners. With the list of things that can disturb a person’s sleep being more of a scroll, it’s no wonder an estimated 50 to 70 million Americans are ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Smart mattresses connect wirelessly to apps or remotes and allow you to customize some aspect of the ...