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 ...

SIOUX CITY (KTIV) - Sleep apnea is a common sleep disorder. Local health experts say it affects more than 30 million adults in America. Last week in Healthbeat 4, Jessica Bowman showed you the first ...

Constant tiredness despite enough sleep may signal health issues like anemia, thyroid problems, diabetes, or sleep apnea.

(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 ...

It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep. Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and ...

Stanford researchers say a single night in a sleep lab may soon double as a full‑body health scan, with artificial ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. A restless night may leave you feeling tired ...

Have you ever wondered what actually happens in the brain during sleep? While your body appears still and at rest, your brain remains highly active, carrying out essential processes that keep you ...