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 ...

(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 ...

Sleep apnea is a common health condition, with experts estimating that up to 80% of cases in the U.S. are undiagnosed. Companies like Sleeplay now offer at-home sleep tests as a more convenient ...