Not true about narcolepsy -: (A) Sleep sudden, (B) Long duration (>3 hrs) of sleep, (C) Cataplexy, (D) Presents in IInd decade
Answer is B. Narcolepsy is characterized by bouts of sudden sleep each lasting for 10-30 minutes occurring during the daytime. Age of onset is between 10-20 years.
Accessory symptoms in Narcolepsy are cataplexy, hypnagogic hallucination, sleep paralysis.