If you find it hard to focus after a wakeful night, it’s because your brain is busy trying to catch up on crucial ...

Despite not having a brain, jellyfish sleep for around eight hours a day, just like humans according to a new study.

In jellyfish and sea anemones, neurons accumulate DNA damage while animals are awake and repair that damage during sleep.

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions ...

Research shows that people who sleep poorly tend to have brain age that is older than their actual age. Chronic inflammation ...

Sleeping long has a negative effect on brain performance, especially in people who are depressed, according to the findings of a new study. It suggests that sleep might be a modifiable risk factor for ...

This reduced connectivity may increase the risk of behavioral problems and mental illnesses like depression and ADHD. Boys and minority children are particularly vulnerable to sleep deficits and ...

A new study suggests that taking a two-hour nap during a night shift may help restore brain function and memory in nurses.

Declining brain function is a natural part of the aging process, but that doesn’t mean it can’t be delayed. A new study has found that physical activity can boost brain function for up to 24 hours and ...

Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.