Cause is usually idiopathic, but may be attributed to intracranial irradiation or hypothalamic tumor. May be associated with depression, obesity, precocious puberty, or congenital disorders such as Niemann-Pick disease type C and Prader-Willi syndrome.
Management of symptoms involves lifestyle changes, good sleep habits, planned naps, and supportive counseling. Pharmacotherapy targets symptomatic relief and requires careful monitoring of undesirable side effects.
G47.411 – Narcolepsy with cataplexy
G47.419 – Narcolepsy without cataplexy
60380001 – Narcolepsy