Definitions for "REM sleep"
Keywords:  dream, sleep, rapid, paralysis, vivid
The stage of sleep marked by rapid eye movements, dreaming, and paralysis of motor systems. go to glossary index
the stage of sleep associated with rapid eye movements, an active brain-wave pattern, and vivid dreams. (201)
Rapid Eye Movement sleep is the second general phase of sleep during which the brain activity is similar to brain activity during wakefulness. Dreaming is common in REM sleep.