Diagnostic and Therapeutic Challenges in Narcolepsy-Related Psychosis

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Sir: Psychosis related to narcolepsy may manifest in 3 ways: Firstly, narcolepsy may co-occur by chance with schizophrenia or other psychiatric disorders. Secondly, treatment of narcoleptic patients with central stimulants may lead to drug-induced psychotic symptoms.¹ Thirdly, some authors have argued for a "psychotic form of narcolepsy," in which the psychotic features exceed the common hypnagogic hallucinations.^2,3‘ ‹’ ‹