a recurring sleep state during which dreaming occurs; a state of Rapid Eye Movements during sleep
deep sleep period with rapid eye movements. Normal part of sleep cycle. Recurs cyclically several times during a normal period of sleep. Characterized by increased neuronal activity of the forebrain and midbrain, by depressed muscle tone. Most dreaming occurs in this stage, which accounts for about 20% of sleep in adults.
part of the sleep cycle in which active dreaming takes place. Brain waves are similar to those of the alert and waking brain.
A stage of deep sleep marked by movement of the eye muscles; dreaming occurs during REM sleep.
One of the two basic states of sleep. REM sleep, also known as dream sleep, is characterized by rapid eye movements, and more irregular breathing and heart rate compared to NREM sleep.
A light sleep phase characterized by rapid movements of the eyes; is commonly associated with dreaming. Acute alcohol intoxication is typically associated with REM sleep suppression, whereas alcohol withdrawal is associated with REM rebound.
A stage of light sleep characterized by rapid eye movements and associated with dreaming. Also called paradoxical sleep. For comparison, see nonrapid eye movement sleep.
stage of sleep in which dreams occur