A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

There are tell-tale signs when you don’t get enough REM sleep. It’s the fourth stage of sleep and it’s crucial for processing your daily experiences and banking shorter and longer-term memories.

Taking longer to enter the dream phase can disrupt the ability to consolidate memories and interfere with emotion regulation.

Research indicates longer REM latency is associated with higher Alzheimer's biomarkers, pointing to its potential as an early ...

Prolonged rapid eye movement sleep latency may be an early indicator of Alzheimer’s disease and related dementias, according ...

“On average, REM sleep comprises about 25% of adult total sleep time, so if an individual gets eight hours of sleep per night, that translates to two hours of REM sleep,” said Cheng.

A sleep expert details why you wake up groggy from a nap and how to make the most of your snack-sized slumber.

Researchers have uncovered how perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep. The study could help scientists understand the neurological ...

One study suggests that taking longer to reach the rapid eye movement (REM) stage of sleep is associated with biomarkers of Alzheimer’s disease. The delay in getting to REM might be useful in ...

Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage.