Hypersomnolence Disorder
DEFINITION
- Hypersomnolence disorder is characterized by repeated excessive sleepiness not attributable to another sleep disorder.
- In other words, repeated excessive sleepiness despite getting at least seven hours of sleep.
- Hypersomnolence of central origin signifies an inability to remain awake/alert during periods of wakefulness leading to an irrepressible need to sleep or lapses into sleep during the daytime.[1]
- Individuals with hypersomnolence and cataplexy are diagnosed with narcolepsy, as are hypersomnolent patients with specific sleep testing results.
- Hypersomnolence disorder is considered a sleep-wake disorder in DSM-5[2].
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Last updated: May 13, 2022
Citation
Speed, Traci, et al. "Hypersomnolence Disorder." Johns Hopkins Psychiatry Guide, 2022. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787084/all/Hypersomnolence_Disorder.
Speed T, Uzosike A, Neubauer D. Hypersomnolence Disorder. Johns Hopkins Psychiatry Guide. 2022. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787084/all/Hypersomnolence_Disorder. Accessed December 7, 2023.
Speed, T., Uzosike, A., & Neubauer, D. (2022). Hypersomnolence Disorder. In Johns Hopkins Psychiatry Guide https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787084/all/Hypersomnolence_Disorder
Speed T, Uzosike A, Neubauer D. Hypersomnolence Disorder [Internet]. In: Johns Hopkins Psychiatry Guide. ; 2022. [cited 2023 December 07]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787084/all/Hypersomnolence_Disorder.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Hypersomnolence Disorder
ID - 787084
A1 - Speed,Traci,M.D., Ph.D.
AU - Uzosike,Akachimere,
AU - Neubauer,David,M.D.
Y1 - 2022/05/13/
BT - Johns Hopkins Psychiatry Guide
UR - https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787084/all/Hypersomnolence_Disorder
DB - Johns Hopkins Guides
DP - Unbound Medicine
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