type 2 narcolepsy (T2N)« Back to Glossary IndexThe International Classification of Sleep Disorders, third edition, divides narcolepsy into type 1 and type 2 (the previous edition used the terms narcolepsy with and without cataplexy). Type 2 narcolepsy refers to narcolepsy without cataplexy. Read more About Related Sleep Disorders.Synonyms: narcolepsy type 2, NT2, T2-N, NT-2, N2Related Articles: News From World Sleep 2022 in Rome!Guide to Survey DesignGuide for ResearchersGuide for Sleep & Research Study CentersConsiderations for ProfessionalsIn Case You Missed It! – January 2022Diagnosing Hypersomnias Differently—A European ProposalIn Case You Missed It! – August 2021Sleep/Wake Cyclers Raise Over $16K for Research!In Case You Missed It! – March 2021Health and Prescription Medicine Insurance DenialsSaving Money on Prescription MedicationsIn Case You Missed It! – February 2021Differences in Hypersomnia Disorder Symptoms Among African AmericansIH Symptom and Treatment Insights From the HF Patient Registry at CoRDSDo I Have IH or NT2?VIRTUAL: HF's The Research ContinuesIn Case You Missed It! – May 2020Anesthesia, Hospitalization and Emergency Planning for People Who Have HypersomniasResearch Award Program