Non-rapid eye movement (NREM) sleep arousal disorders involve repeated episodes of incomplete awakening from sleep, most commonly sleepwalking or night terrors (also known as sleep terrors), but ...

A new study finds that entering N2 sleep—a deep phase of non-rapid eye movement sleep—may help lead to more “eureka” ...

While it's well known that sleep enhances cognitive performance, the underlying neural mechanisms, particularly those related ...

Sleep can be divided into 2 phases — non-rapid eye movement (NREM) and rapid eye movement (REM) — and 4 stages that make a complete cycle. You’ll typically complete 4 to 6 cycles per night.

New research reveals that neurons in the preoptic hypothalamus -- the region of the brain that regulates sleep and body temperature -- are rhythmically activated during non-rapid eye movement ...

You might have the impression you dream all night long — but that isn't necessarily the case. Find out when you're most likely to dream, based on your sleep cycle.

REM (rapid eye movement) sleep is a stage of semi-deep sleep, often referred to as “paradoxical sleep,” and is "a state of sleep when brain activity shows similar patterns as being awake ...

The rapid eye movement phase of sleep is associated with dreaming. Still, it remains unclear why rapid eye movements occur at that point. A study in mice provides one possible answer.

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders ...

The characteristic eye movements that give rapid eye movement (REM) sleep its name represent gaze shifts in the dream world of sleeping mice, according to a new study. The findings reveal an ...