The other parasomnias are disorders in which the phenomena of interest are not closely associated with a particular stage of sleep. Of the other parasomnias, features of three may suggest the possibility of epilepsy: sleep bruxism, sleep enuresis, and nocturnal dissociative disorder. In the psychogenic nocturnal dissociative disorder, conscious awareness becomes dissociated from behavior, and patients perform complex activities for which they are amnestic. Patients are often young women with psychiatric conditions, and the episodes are sometimes accompanied by self-mutilating behavior and injuries.
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