July 26, 2016
font size

Definition of Kleine-Levin syndrome

Kleine-Levin syndrome: A rare condition that is characterized by periods of excessive drowsiness and sleep, lasting up to 20 hours per day. Affected individuals usually have excessive food intake and may be confused, irritable, and lethargic. Some patients have hallucinations or sexual disinhibition. Most patients with Kleine-Levin syndrome are adolescent males. The cause is unknown. Most cases resolve over time without treatment. Also known as Kleine-Levin hibernation syndrome.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016

Drug Medical Dictionary of Terms by Letter

Top RxList Drug News

Women's Health

Find out what women really need.

Use Pill Finder Find it Now See Interactions

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies

Interaction Checker

  • Check potential drug interactions
Search the Medical Dictionary for Health Definitions & Medical Abbreviations