• Jian-Bo Lai, Mao-Mao Han, Yi Xu, and Shao-Hua Hu.
• aDepartment of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine bThe Key Laboratory of Mental Disorder's Management in Zhejiang Province cDepartment of VIP, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
• Medicine (Baltimore). 2017 Nov 1; 96 (46): e8645.

RationaleNarcolepsy is a rare sleep disorder with disrupted sleep-architecture. Clinical management of narcolepsy lies dominantly on symptom-driven pharmacotherapy. The treatment role of repetitive transcranial magnetic stimulation (rTMS) for narcolepsy remains unexplored.Patient ConcernsIn this paper, we present a case of a 14-year-old young girl with excessive daytime sleepiness (EDS), cataplexy and hypnagogic hallucinations.DiagnosesAfter excluding other possible medical conditions, this patient was primarily diagnosed with narcolepsy.InterventionsThe patient received 25 sessions of high-frequency rTMS over the left dorsolateral prefrontal cortex (DLPFC).OutcomesThe symptoms of EDS and cataplexy significantly improved after rTMS treatment. Meanwhile, her score in the Epworth sleep scale (ESS) also remarkably decreased.LessonsThis case indicates that rTMS may be selected as a safe and effective alternative strategy for treating narcolepsy-like symptoms. Well-designed researches are warranted in future investigations on this topic.

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