If you regularly have a hard time getting restful sleep, you may need a sleep study. Also called polysomnography, a sleep study is a test that's used to diagnose sleep disorders. The good news? A ...

Study suggests sleep patterns shifted with modern-day habits. July 23, 2014— -- Though closing our eyes and drifting off into unconsciousness is one of the simplest tasks we perform each day, ...

(CNN) — Do you get enough shut-eye? We know a good night’s sleep is essential for health, yet many do not consistently get enough of it. About 1 in 3 American adults do not regularly get recommended ...