Not seen in Narcolepsy:: (A) Sleep paralysis, (B) Sleep attack, (C) Catalepsy, (D) Cataplexy
Answer is C. Narcolepsy is characterized by Cataplexy (loss of muscle tone) not Catalepsy.
Catalepsy or catatonia is akinetic mutism & stupor seen in severe depression, schizophrenia.
Remember: Two lepsy's can not be together, Catalepsy is not seen in Narcolepsy.