What are clinical features of excessive daytime sleepiness (EDS) in narcolepsy?

Updated: Sep 04, 2019
  • Author: Sagarika Nallu, MD; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Features of EDS are as follows:

  • EDS is the primary symptom of narcolepsy

  • EDS must be present for at least 3 months to justify the diagnosis

  • Severe EDS leads to involuntary somnolence during activities such as driving, eating, or talking

  • Sleepiness may be severe and constant, with paroxysms of falling asleep without warning (ie, sleep attacks)


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