New research suggests that people who take significantly longer to start the dream phase of sleep may be showing an early ...

However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

ANSWER: When we are in dream sleep (also called REM sleep), the body’s muscles are essentially turned “off” by the brain. If you are dreaming you are running, you don’t want to actually be running in ...

Scientists have long recognized the brain's need for energy, but new research from the University of Kentucky's Sanders-Brown ...

What if we could obtain the memory, learning and perception benefits of “power naps” without actually sleeping?

A new study reveals how the brain reprocesses and refines memories during sleep, particularly those related to spatial ...

Researchers sought to better understand the connection between REM sleep patterns in patients with either insomnia or MDD.

Drinking alcohol before bed raises blood alcohol content, which disrupts rapid eye movement, or REM, sleep, a critical phase ...

Sleep reorganizes neural patterns in a way that helps memories take hold and prepares the brain for new information.

Sexual activity—whether partnered or solo—improves sleep efficiency and reduces night-time wakefulness, according to a pilot ...