A sleep scientist advises against blindly following the eight-hour sleep rule. Instead, you should create a routine to find ...

A tiny group of people needs far less sleep than the rest of us. Geneticists are finally uncovering the mutations that let ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

Along with getting exercise and eating a nutritious diet, sleeping for 7-9 hours a night is at the top of every doctor's list of habits that will keep you healthy. Experts warn that skimping on sleep ...

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: ...

Study Shows Sleep Threshold Tied to Longevity Regardless of Income or Location In A Nutshell Sleeping fewer than seven hours ...

Chronic sleep restriction to under seven hours nightly significantly impairs cognitive functions, including reaction time and ...

Sleep patterns, needs, and challenges change throughout your life. Learn more about how sleep evolves with age.

While some couples might sleep soundly together, for others, sharing a bed is anything but harmonious, especially for those with differing sleep styles. A restful night can be thwarted by tossing and ...

If you’ve ever suffered a night of poor sleep—like, you got about three hours less than you wanted—you may have found yourself in a doom spiral, thinking that you’ll never sleep well again (been there ...

Blame it on the Industrial Revolution. Or maybe on the light bulb. But ever since man met machine, sleep has been on the skids. In 2001, 38 percent of U.S. adults said they were sleeping less than ...

Hot nights are reducing sleep across many communities. New research shows how rising heat disrupts sleep and why some groups ...