Kleine–Levin Syndrome (KLS)

Kleine–Levin Syndrome (KLS) is a rare neuropsychiatric disorder characterized by persistent episodic hypersomnia, hyperphagia, cognitive impairment, and mood changes. Individuals can also experience hypersexuality, personality changes, and behavioural changes.

Epidemiology
  • The prevalence of KLS is thought to be extremely rare, perhaps 1 in 1 million.
Prognosis
Comorbidity
Risk Factors
  • Adolescent males are at the greatest risk.
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