There are far more people who would like to need less sleep than who actually need less sleep,” says Dr. Daniel Buysse, professor of psychiatry at the University of Pittsburgh and a past president of ...

Short sleepers, who make up less than one per cent of the population, spend significantly less time snoozing without any ...

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 ...

I have something to confess: I regularly sleep less than seven hours a night. Despite knowing that this duration is below the oft-recommended sleep guidelines for adults, I always try to justify my ...

A cooler bedroom might be better for older sleepers than previously thought. Researchers found that keeping nighttime ...

The idea that you can gradually train your body to function optimally on less sleep has become a badge of honor in our productivity-obsessed culture, but this belief is based on a fundamental ...

Children need adequate sleep for optimal learning and for their mental and physical health. But a new study finds that few kids are getting the recommended amount of shut-eye, even though their ...

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: ...

The following story is excerpted from TIME’s special edition, The Science of Sleep, which is available at Amazon. Anyone who has nodded off on the subway, faked alertness in a meeting at work or ...

How does your brain know when it's time to sleep? There are two main factors: Hours Awake. The longer you've been awake, the stronger your drive for sleep. Circadian Rhythm. Your body operates on a ...