For most of us, getting less than seven hours of sleep translates into grogginess, sluggish thinking, and an overwhelming urge to crawl back into bed. But some people wake up fresh and energized after ...

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 ...

The new year brings an opportunity to begin new habits. If you want to improve your health in 2026, start by making 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: ...

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 ...