What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

Body weight workouts in the evening may be linked to around 30 more minutes of sleep at night and without increasing sleep interruptions, a new study suggests, the newest evidence in the long debate ...

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 ...

IT IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate memories, repair cells and boost the health of their immune systems. But the ...

This story was featured in The Must Read, a newsletter in which our editors recommend one can’t-miss story every weekday. Sign up here to get it in your inbox. For most of my adult life, I’ve been ...

(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 ...

Share on Pinterest Could sleeping in on the weekends help lower heart disease risk? Anna Malgina/Stocksy “Catching up” on sleep over the weekend could reduce the risk of heart disease by 20%, a new ...

In the latest evidence of the direct relationship between sleep and health, researchers have found that chronic insomnia can significantly increase dementia risk. That equates to a three-year ...