Meaning of REM SLEEP

WordNet Dictionary
	Definition:		[n]  a recurring sleep state during which dreaming occurs; a state of Rapid Eye Movements during sleep
	Synonyms:		paradoxical sleep, rapid eye movement, rapid eye movement sleep, REM
	See Also:		sleep, slumber
Medical Dictionary
	Definition:		The period of sleep known as Rapid Eye Movement sleep, when dreaming seems to occur.
Biology Dictionary
	Definition:		REM sleep is sleep associated with rapid, roving movements of the eyes. The EEG pattern would resemble that of alert animals and humans despite sleep is not interrupted. There is a marked reduction of skeletal muscle tone during REM sleep. REM sleep and dreaming are associated.