New MIT research reveals sleep deprivation causes brain fluid waves to intrude into wakefulness, leading to attention lapses.

Scientists found that attention lapses due to sleep deprivation coincide with a flushing of fluid from the brain.

Chronic stress — which tends to last several weeks or more — takes a major toll on the body. Not only can it manifest as headaches, fatigue, digestive issues and sleep problems, it can accelerate the ...