Canadian Medical Guide > Diseases > Nervous System Diseases > Sleep Disorders > Parasomnias > Sleep Arousal Disorders Terms and Definitions




Sleep Arousal Disorders

Medical Definition: Sleep disorders characterized by impaired arousal from the deeper stages of sleep (generally stage III or IV sleep).
Also Called: Confusional Arousals
Previously Indexed: Arousal (1968-1999),Sleep Disorders (1968-1999)
Sleep Arousal Disorders Categories.
Canadian Medical Guide Definition Night Terrors - A disorder characterized by incomplete arousals from sleep associated with behavior suggesting extreme fright. This condition primarily affects children and young adults and the individual generally has no recall of the event. Episodes tend to occur during stage III or IV. SOMNAMBULISM is frequently associated with this condition. (Adams et al., Principles of Neurology, 6th ed, p391)
Canadian Medical Guide Definition Somnambulism - A parasomnia characterized by a partial arousal that occurs during stage IV of non-REM sleep. Affected individuals exhibit semipurposeful behaviors such as ambulation and are difficult to fully awaken. Children are primarily affected, with a peak age range of 4-6 years.

Sleep Arousal Disorders Medical Definitions and Terms

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