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 ...

Rapid eye movement (REM) during sleep has baffled scientists since it was first linked to dreams in 1953, but a new study is the first to show these movements are you looking around the dream ...

REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." (Leah Abucayan, ...

Share on Pinterest What explains rapid eye movements during sleep? Researchers may be getting closer to an answer. Image credit: Alexandr Ivanets/Stocksy. When animals change their head direction ...

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 ...

The rapid eye movements during a mouse's REM sleep provide more insight into the mechanism behind dreaming, a new study finds. It appears that animals can dream too. This especially happens during ...

Here’s the basic gist of it. If we can use a sensor to detect REM (rapid eye movement) or body movement during sleep, we can tell if we’re dreaming — then it’s just a matter of using an ...