A good night's rest isn't just about waking up refreshed — it plays a critical part in preserving your mental sharpness as ...

ANSWER: When we are in dream sleep (also called REM sleep), the body’s muscles are essentially turned “off” by the brain. If ...

Not getting enough of deeper stages of sleep raises the risk of brain deterioration associated with Alzheimer’s disease, a ...

Research reveals how specific sleep stages protect brain vulnerable to Alzheimer's, offering hope through simple lifestyle ...

Scientists say that poor sleep quality could shrink parts of the brain and increase the risk of Alzheimer's disease.

New research from the University of Surrey reveals that being a night owl can lead to increased depression, poor sleep ...

New research shows that reduced time in slow wave and REM sleep is associated with smaller brain volumes in regions ...

A study on birds finds that when jackdaws are sleep-deprived, they stop sleeping with one eye open and enter deeper sleep, risking safety.

These findings imply that brain stimulation could deliver some of the benefits of naps without sleep. The results in primates ...

“These results are particularly significant because they help characterise how sleep deficiency, a prevalent disturbance ...

Night terrors aren't uncommon, but they are really difficult for adults to see. When my son had sleep terrors, I had to ...

Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the deterioration of parts of the brain associated with Alzheimer’s ...