primary hypersomnia

in DSM–IV–TR, a sleep disorder characterized by excessive sleepiness (evidenced by prolonged episodes of sleep, daytime episodes of sleep on an almost daily basis, or both), the severity and persistence of which cause clinically significant distress or impairment in functioning. The disorder is not caused by a general medical condition and is not an aspect of another sleep disorder or mental disorder. In DSM–5, it is known as hypersomnolence disorder. See dyssomnia. See also disorders of excessive somnolence. Compare primary insomnia.

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Psychology term of the day

December 22nd 2024

autassassinophilia

n. a paraphilia in which sexual arousal and the achievement of orgasm are facilitated by the fantasy or belief that one is in danger of being killed. This may include the individual staging a sexual encounter characterized by extreme masochism with the real potential for his or her own murder. Also called autoassassinatophilia. Compare homicidophilia.