Abstract
Narcolepsy type-1 is a rare chronic sleep disorder that has negative effects on quality of life if left untreated. Symptoms such as excessive daytime sleepiness, cataplexy, sleep paralysis, disrupted night sleep, vivid dreams, psychosomatic complaints, and decreased sexual desire are also observed. Diagnosis will be made according to the criteria in the international classification of sleep disorders 3rd edition 2023 revision (ICSD-3-TR-2023). In our case, there was excessive daytime sleepiness, disrupted night sleep, cataplexy, overeating, and increased sexual desire. As a result of clinical data, polysomnography, and multiple sleep latency tests, she was diagnosed with narcolepsy type-1 according to the ICSD-3-TR-2023 guidelines. In the differential diagnosis of excessive sexual desire, it was planned to distinguish “persistent genital arousal”, “restless genital syndrome”, “sexomnia”, and “hypersexuality” diseases. According to the diagnostic and statistical manual of mental disorders fifth edition criteria, “hypersexuality” accompanying narcolepsy type-1 was diagnosed in the patient. To date, no increase in sexual desire has been reported in the literature regarding the diagnosis of narcolepsy type-1. In this case, it is aimed to discuss a case of hypersexuality that has not been observed to date, together with a diagnosis of narcolepsy type-1, in the light of the literature.