Synonyms: Narcolepsy without cataplexy
A rare neurologic disease characterized by excessive daytime sleepiness associated with uncontrollable sleep urges and sometimes sleep paralysis and hypnagogic/hypnopompic hallucinations.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Narcolepsy type 2?
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Advocacy Organizations
Hypersomnia Foundation
The Hypersomnia Foundation engages, informs and champions our global community to improve the lives of people with idiopathic hypersomnia and related sleep disorders.
Wake Up Narcolepsy
Wake Up Narcolepsy is a 501(c)(3) not for profit organization that seeks to raise awareness, bringing direction to the search for a cure while providing a strong community of support.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.