Not seen in Narcolepsy:
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.
Sleep paralysis
Sleep attack
Catalepsy
Cataplexy