Sleep

Your brain has its own cleaning system that flushes out waste, mostly while you sleep.

Poor sleep in Alzheimer’s has long been blamed on the brain plaques that define the disease.

What if you could get the benefits of sleep without sleeping? Researchers at the University of Wisconsin-Madison did exactly that.

Bad memories keep people awake at night. But poor sleep also damages memory. That sounds like a loop, and it is.

Chronic alcohol use damages the liver in multiple ways at once. Melatonin, best known as a sleep hormone, appears to block…

Night shifts take a long-term toll on the body. But a new study suggests melatonin supplements may help offset some of that…

Sleep is not a passive state. While we sleep, the brain produces rhythmic electrical patterns that directly influence how…

A gene already connected to a rare form of intellectual disability turns out to play a central role in regulating sleep.