Kleine-Levin Syndrome (KLS) is a syndrome that involves recurrent hypersomnia.
Clinical features of Kleine-Levin Syndrome (KLS):
(1) recurrent episodes of hypersomnia
(2) compulsive eating (megaphagia) with some of the episodes
(3) variable behavioral abnormalities
Behavioral abnormalities may include:
(1) sexual disinhibition
(2) "odd" behavior
(3) cognitive abnormalities including confusion
(4) delusions or hallucinations
(5) anxiety and/or depression
The occurrence of recurrent hypersomnia and other features of KLS without excessive eating is referred to as Klein-Levin Syndrome without compulsive eating (KLS WOCE) and is considered a separate disorder.
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