The result suggests that when you zone out, cerebrospinal fluid is being pulled away from your brain. But when you snap back ...

In a recent review published in the Nutrients Journal, researchers examined the current evidence of the intricate relationship between orexin, rapid eye movement (REM) sleep, and appetite. Study: ...

It’s easy to ask: “Why sleep?” But we can also turn the question on its head: “Why wake?” We need to be awake, among other reasons, to find and eat food, drink water, escape danger, reproduce, and ...

After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly from both REM sleep and wakefulness. The awareness of dreaming during a lucid ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It can be hard to think clearly after a bad night’s sleep. And, although nothing will replace a ...

Neurons that promote wakefulness in the brain of an Alzheimer's patient (green). There are far fewer functioning neurons that would be seen in a healthy brain, indicating that the awake system is ...

Get some kind of movement in, but maybe skip the hardcore sweat sesh for when you’re better rested. When you exercise, your ...