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

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

A delay in getting to the rapid eye movement (REM) stage of sleep may be linked to Alzheimer's disease and related dementias, ...

Summary: Delayed rapid eye movement (REM) sleep may be an early indicator of Alzheimer’s disease. Researchers found that participants with delayed REM sleep had higher levels of toxic proteins ...

Delays in dreaming might be an early warning sign of Alzheimer’s disease.People who take significantly longer to ente ...

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

The two broad phases of sleep are non-REM (non-rapid eye movement) and REM (rapid eye movement). Decreased muscle tone and paralysis occur during REM sleep. To record the EMG, electrodes are ...

However, some research suggests that poor sleep could raise your risk of Alzheimer’s. A study published in November found ...

Recent studies have shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer ...

which can examine brain waves and other physical functions like eye movement and breathing during sleep. Researchers were able to identify when participants’ REM sleep occurred. Researchers also ...