a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep; "he believes that narcolepsy is attributable to an inability to suppress REM sleep during waking"
a musical form consisting of a theme repeated a fifth above or a fourth below its first statement
a dreamlike state of altered consciousness that may last for hours or days
dissociative disorder in which a person forgets who they are and leaves home to creates a new life; during the fugue there is no memory of the former life; after recovering there is no memory for events during the dissociative state