Researchers have identified a brain circuit in mice that could explain why humans engage in prolonged and deep sleep after ...

REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

How do animals bounce back from sleep deprivation? Scientists found a subset of neurons in the mouse thalamus that repay this ...

Spending less time in slow wave and REM sleep may accelerate brain atrophy in regions affected early in Alzheimer’s disease, ...

The amount of deep sleep you need changes with age, with babies and children requiring significantly more. Find out exactly ...