Definition of rem sleep in English English dictionary
The stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement (REM)
rapid eye movement sleep, phase of sleep during which dreams occur and the eyes move within the socket
A stage in the normal sleep cycle during which dreams occur and the body undergoes marked changes including rapid eye movement, loss of reflexes, and increased pulse rate and brain activity. Also called paradoxical sleep. rapid eye movement sleep a period during sleep when your eyes move quickly, when you are dreaming (rapid eye movement)