Recent research reveals we dip into a sleeplike state as our brains flush out waste buildup.

Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images ...

Creatine is usually used to boost muscle performance, but now it's being linked with being able to think clearly after a poor night of rest. Here’s what the study found, plus what a neurologist wants ...

Untreated sleep apnea can affect memory and other aspects of cognitive health, and it can get worse over time, with many ...

REM, also known as Rapid Eye Movement is where most dreaming occurs, brain activity increases, and the body becomes ...

This video segment adapted from NOVA scienceNOW considers the purpose of sleep and, in particular, the connection it shares with memory. By studying the dreams of rats, researchers are hoping to gain ...

In humans, aging is often associated with changes in sleeping patterns, cognitive abilities and functional network connectivity (i.e., the strength with which activity in different brain regions ...

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

Share on Pinterest Data from five population studies suggest that better sleep may help protect cognitive function in adults. Image credit: ismagilov/Getty Images. A new analysis looking at data from ...

Introduction: The cardiovascular system (CVS) is heavily influenced by the autonomic nervous system. Additionally, there is a functional alteration during the various stages of sleep. In nonrapid eye ...

There are far more people who would like to need less sleep than who actually need less sleep,” says Dr. Daniel Buysse, ...