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 ...

Your brain cycles through several stages during sleep, and REM sleep might be the most critical. This mysterious phase, where dreams unfold and memories solidify, accounts for roughly a quarter of ...

Deep REM sleep is where your mind resets, your mood stabilizes, and your skin and body recover in ways daytime habits simply ...

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 ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

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 ...

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 ...

St. Hedwig Hospital and Charité–Universitätsmedizin Berlin researchers report that repeated mornings spent under dim indoor ...

Jaap van der Aar's mission over the past four years has been to combine unobtrusive wearables with specialized AI to improve ...

"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 ...