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REM sleep is decreased during the first half of the sleep period and stage 1 sleep is increased in the second half of the sleep period. [5] Most antidepressants, in particular selective serotonin re-uptake inhibitors (SSRIs), such as citalopram and paroxetine, are potent inhibitors of REM sleep and may also cause a REM rebound on discontinuation.
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.
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 ...
Such histological studies cannot be performed on humans for ethical reasons, but long-term studies show that sleep quality is more associated with gray matter volume reduction [38] than age, [39] occurring in areas like the precuneus. [40] Molecular pathway of REM sleep deprivation-induced apoptosis in neurons
Experts explain what parasomnias are and treatment options.
The person with DLB may experience disorders of wakefulness or sleep disorders (in addition to REM sleep behavior disorder) that can be severe. [7] These disorders include daytime sleepiness, drowsiness or napping more than two hours a day, insomnia, periodic limb movements, restless legs syndrome and sleep apnea. [7]
Long-term effects can result from years of persistent feelings of excessive levels of stress and consequently getting a consistent lack of sleep. Excessive stress and sleep deprivation can cause cardiovascular issues, such as high blood pressure and heart disease.
This might further help in understanding the role of sleep in long term plasticity. According to Tsoukalas (2012), REM sleep is an evolutionary transformation of a well-known defensive mechanism, the tonic immobility reflex. This reflex, also known as animal hypnosis or death feigning, functions as the last line of defense against an attacking ...
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