central disorders of hypersomnolence (CDH)

central disorders of hypersomnolence (CDH)

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The central disorders of hypersomnolence (CDH), as defined by the ICSD-3, include narcolepsy type 1, narcolepsy type 2, idiopathic hypersomnia, and Kleine-Levin syndrome. They also include insufficient sleep syndrome and hypersomnia caused by a medical condition, medication or substance, or psychiatric condition.

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