Parasomnias
| Definition: |
Movements or behaviors associated with sleep, sleep stages, or partial arousals from sleep that may impair sleep maintenance. Parasomnias are generally divided into four groups: arousal disorders, sleep-wake transition disorders, parasomnias of REM sleep, and nonspecific parasomnias. (From Thorpy, Sleep Disorders Medicine, 1994, p191) |
| Notes: |
do not confuse x-ref BENIGN NEONATAL SLEEP MYOCLONUS with MYOCLONUS, NOCTURNAL and MYOCLONUS, SLEEP see MYOCLONUS |
| Also Called: |
Neonatal Sleep Myoclonus, Benign,Sensory Paroxysms, Sleep,Sleep Drunkenness,Sleep-Related Abnormal Swallowing Syndrome |
| Previously Indexed: |
Sleep Disorders (1979-1999),Somnambulism (1979-1980) |
Parasomnias Categories.
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Nocturnal Paroxysmal Dystonia - A parasomnia characterized by paroxysmal episodes of choreoathetotic, ballistic, dystonic movements, and semipurposeful activity. The episodes occur during non-rapid eye movement sleep and typically recur several times per night. (Neurology 1992 Jul;42(7 Suppl 6):61-67; Adams et al., Principles of Neurology, 6th ed, p391) |
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REM Sleep Parasomnias - Abnormal behavioral or physiologic events that are associated with REM sleep, including REM SLEEP BEHAVIOR DISORDER. |
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Sleep Arousal Disorders - Sleep disorders characterized by impaired arousal from the deeper stages of sleep (generally stage III or IV sleep). |
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Sleep-Wake Transition Disorders - Parasomnias characterized by behavioral abnormalities that occur during the transition between wakefulness and sleep (or between sleep and wakefulness). |
Parasomnias Definitions and Terms
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