<prompt> Not seen in Narcolepsy:Sleep paralysisSleep attackCatalepsyCataplexy  <response>: 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 lepsys can not be together, Catalepsy is not seen in Narcolepsy. 