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

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

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

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