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Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the body, and the propensity of the sleeper to dream vividly. The core body and brain temperatures increase during REM sleep and skin ...
RBD is a sleep disorder characterized by the loss of normal skeletal muscle atonia during REM sleep and is associated with prominent motor activity and vivid dreaming. [6] [2] These dreams often involve screaming, shouting, laughing, crying, arm flailing, kicking, punching, choking, and jumping out of bed.
My Dream, My Bad Dream, 1915, by Fritz Schwimbeck. Several types of hallucinations have been linked to sleep paralysis: the belief that there is an intruder in the room, the feeling of a presence, and the sensation of floating. One common hallucination is the presence of an incubus.
Paralysis is usually permanent, but for four men suffering from spinal cord injuries, there is new hope -- and scientists say all it took was a zap. WRC-TV reports that "an electrical stimulator ...
REM sleep behavior disorder (RBD) is a parasomnia in which individuals lose the paralysis of muscles (atonia) that is normal during rapid eye movement (REM) sleep, and consequently act out their dreams or make other abnormal movements or vocalizations. [41] About 80% of those with DLB have RBD. [42]
[7]: 39 R.E.M. is well known as an abbreviation for rapid eye movement, the dream stage of sleep; however, sleep researcher Rafael Pelayo reports that when his colleague William Dement, the sleep scientist who coined the term REM, reached out to the band, Dement was told that the band was named "not after REM sleep". [11]
REM rebound is the lengthening and increasing frequency and depth of rapid eye movement (REM) sleep which occurs after periods of sleep deprivation. When people have been prevented from experiencing REM, they take less time than usual to attain the REM state. [ 1 ]
Hypnopompia (also known as hypnopompic state) is the state of consciousness leading out of sleep, a term coined by the psychical researcher Frederic Myers.Its mirror is the hypnagogic state at sleep onset; though often conflated, the two states are not identical and have a different phenomenological character.