Sleep helps the brain to cleanse itself—and now this process can be measured in humans entirely noninvasively. Researchers at the University of Oulu have developed a method that allows the increased ...

With neuroimaging and electrophysiological techniques, researchers have been able to gain many new insights into dreaming. Scientists have found that neurological activity in the brain while people ...

A growing number of sleep experts are pointing to bedroom temperature as an overlooked factor in recovery and healthy aging.

Tossing and turning all night can leave anyone feeling exhausted the next day. While it’s easy to blame stress or a bad ...

Each night, the brain expects you to finally go to sleep, although not everyone actually caves to the brain’s request. Fighting that signal to slumber has all kinds of long-term effects on health, as ...

Does sleep help process stress and trauma? Or does it actually intensify emotional reactions and memories of the event? This previously unanswered question is highly relevant for the prevention of ...

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

Add Yahoo as a preferred source to see more of our stories on Google. You know as well as we do that the amount and type of sleep you get every night can significantly affect your mood, energy level ...

Sleep deprivation causes irritability, relationship issues, depression, anxiety, weight gain, medical problems, cognitive deficits, impaired work performance, car crashes, and a host of other ills way ...

Those who have have persistent trouble sleeping may be at higher risk for developing what's known as complicated grief after the loss of a loved one, a new study finds. Those who have persistent ...