Question: Which sleep disorder is associated with cataplexy? Answer: A.  Narcolepsy Rationale:  Cataplexy describes an involuntary loss of muscle function that is temporary. Cataplexy is most commonly associated with narcolepsy, which involves increased sleepiness during the daytime. A patient with narcolepsy may take medications that act as stimulants to help keep him awake; some of […]