Humans and other animals encounter and remember countless experiences each day; when we sleep, groups of cells in the brain known as neuronal ensembles replay these experiences to consolidate them ...

Sleep is often said to help the brain “lock in” what we learn while awake, but the underlying biology remains a topic of ...

People with chronic insomnia may experience faster declines in memory and thinking skills as they age—along with brain ...

Insomnia is a common problem that doesn’t always get taken seriously enough. But your tossing and turning could be linked to ...

Recent research suggests that getting enough sleep may help maintain brain health and reduce the risk of dementia. Insomnia, ...

A new study reveals that a buildup of metabolism in specialized brain cells is what triggers the need for sleep. Sleep may ...

Seniors with chronic insomnia might experience a faster decline in their memory and thinking skills as they age, a study by ...

Sleep problems constitute a “global ... the plaques characteristic of Alzheimer’s. And a study published in June found that older adults who have significant difficulty falling asleep and who ...

The study found late nights and alcohol use are some of the ways that can lead to disruptions in breathing during sleep, and ...

A study published in the Journal of Sleep Research found that those who had sex with a partner and had an orgasm before bedtime tended to fall asleep faster and have better quality sleep. (Photo: ...