The Burden of Narcolepsy in Adults: A Population Sampling Study Using Personal Media.

CATAPLEXY; NARCOLEPSY; SLEEP paralysis; SYMPTOM burden; ADULTS; MOBILE apps; ANXIETY sensitivity

To obtain insight in the spectrum of narcolepsy symptoms and associated burden in a large cohort of patients. We used the Narcolepsy Monitor, a mobile app, to easily rate the presence and burden of 20 narcolepsy symptoms. Baseline measures were obtained and analyzed from 746 users aged between 18 and 75 years with a reported diagnosis of narcolepsy. Median age was 33.0 years (IQR 25.0–43.0), median Ullanlinna Narcolepsy Scale 19 (IQR 14.0–26.0), 78% reported using narcolepsy pharmacotherapy. Excessive daytime sleepiness (97.2%) and lack of energy were most often present (95.0%) and most often caused a high burden (79.7% and 76.1% respectively). Cognitive symptoms (concentration 93.0%, memory 91.4%) and psychiatric symptoms (mood 76.8%, anxiety/panic 76.4%) were relatively often reported to be present and burdensome. Conversely, sleep paralysis and cataplexy were least often reported as highly bothersome. Females experienced a higher burden for anxiety/panic, memory, and lack of energy. This study supports the notion of an elaborate narcolepsy symptom spectrum. Each symptom's contribution to the experienced burden varied, but lesser-known symptoms did significantly add to this as well. This emphasizes the need to not only focus treatment on the classical core symptoms of narcolepsy. [ABSTRACT FROM AUTHOR]

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