Every 20 seconds, a wave of fresh cerebrospinal fluid rolls into the sleeping brain. These slow, rhythmic blasts, described for the first time in the Nov. 1 Science, may help explain why sleep is so ...

Taking a pill containing cannabis compounds might alter sleep patterns for individuals with mild to moderate insomnia, mostly ...

You wake up after a terrible night of sleep, and the fog is immediate: names slip away, your train of thought derails ...

Researchers found caffeine changes brain activity during sleep, reducing deep restorative sleep and keeping the brain more ...

Regular caffeine drinking can deprive the body of energy it needs for night-time rejuvenation – even if you don’t think ...

Summary: Researchers dismantled the classic assumption that a person’s ability to easily fall asleep after a cup of coffee ...

But beyond the grogginess, research is now showing that consistently missing out on certain sleep stages, particularly deep ...

An EEG-derived brain age index predicted dementia risk across five cohorts. Each 10-year increase in the brain age index was linked with a 39% higher dementia risk. The findings indicate that the ...

A good night's sleep has long been understood to help us consolidate new memories, but we don't understand how. Associations with negative feelings like fear or stress can improve recall, but ...

For years, researchers have been building an ever-longer list of dementia risk factors: poor diet, lack of exercise, social isolation, air pollution, untreated hearing loss, diabetes, high blood ...

Each morning, your brain embarks on a remarkable series of events: it transitions from being asleep, potentially in an alternate reality, to waking up. Within a short time, you regain waking ...

Sleep-like slow-wave patterns persist for years in surgically disconnected neural tissue of awake epilepsy patients, according to a study published October 16 th in the open-access journal PLOS ...