narcolepsy
noun
nar·co·lep·sy
ˈnär-kə-ˌlep-sē 
plural narcolepsies
: a condition characterized by brief attacks of deep sleep often occurring with cataplexy and hypnagogic hallucinations
Examples of narcolepsy in a Sentence
Recent Examples on the Web
Centessa Pharmaceuticals is a clinical-stage company working on new medicines for the treatment of excessive daytime sleepiness, like narcolepsy.
—
Jeff Marks, CNBC, 31 Mar. 2026
Centessa is behind Takeda Pharmaceuticals, which has submitted a drug for narcolepsy type 1 to regulators for review, and Alkermes, which plans to start a Phase 3 program for its narcolepsy treatment this year.
—Ed Silverman, STAT, 31 Mar. 2026
Lee allegedly told officers that Perpétuo suffered from narcolepsy and had fallen in the shower.
—Steve Henson, Los Angeles Times, 10 Mar. 2026
Experimental drugs increasing orexin may also help people with narcolepsy stay awake longer.
—Shayla Love, New Yorker, 18 Feb. 2026
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Jeff Marks, CNBC, 31 Mar. 2026
Centessa is behind Takeda Pharmaceuticals, which has submitted a drug for narcolepsy type 1 to regulators for review, and Alkermes, which plans to start a Phase 3 program for its narcolepsy treatment this year.
—Ed Silverman, STAT, 31 Mar. 2026
Lee allegedly told officers that Perpétuo suffered from narcolepsy and had fallen in the shower.
—Steve Henson, Los Angeles Times, 10 Mar. 2026
Experimental drugs increasing orexin may also help people with narcolepsy stay awake longer.
—Shayla Love, New Yorker, 18 Feb. 2026
See All Example Sentences for narcolepsy
Cite this Entry
“Narcolepsy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/narcolepsy. Accessed 6 Apr. 2026.
Copy CitationMedical Definition
narcolepsy
noun
nar·co·lep·sy
ˈnär-kə-ˌlep-sē
plural narcolepsies
: a condition characterized by brief attacks of deep sleep often occurring with cataplexy and hypnagogic hallucinations compare hypersomnia sense 2
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