Sleep affects every system in your body — and most people are managing it based on habits and assumptions that physicians say ...

Add Yahoo as a preferred source to see more of our stories on Google. New research and expert insights are making it clear that sleep isn’t just rest — it’s recovery, prevention, and even performance ...

Add Yahoo as a preferred source to see more of our stories on Google. Think of sleep as a bank account. Sleeping the necessary seven to nine hours is like making a deposit, and any deprivation (that ...

Forgoing sleep to watch one more episode of the latest show, to read one more chapter of a thrilling book, or even to pull an all-nighter, is not uncommon. But sleep deprivation can catch up to people ...

Feeling cranky is far from the only problem caused by a lack of sleep. Many health issues can stem from sleep deprivation, from heart disease to mental health disorders. If you routinely have trouble ...

SEATTLE — Teenagers who do not get enough sleep have trouble paying attention and take longer to complete tasks, and these effects are cumulative and not completely ameliorated by sleeping in on the ...

A new study examining the effects of sleep patterns and shift work on the immune system has found that sleep debt and night shifts increase the risk of several common infections in nurses. Modern ...

Fatigue management is a vital consideration for all of us. Being alert when we need to be goes beyond getting good, consistent sleep (though this is obviously a necessity). Think of the times that you ...