A: The muscles of Kay Underwood - a cataplexic - fail to fire when experiencing strong emotion, such as laughter.   
B: Matt Frerking - a Neuroscientist - is petrified when he has a romantic impulse, or sees others as such.
C: The narcoleptics Allison June Burchell and Luis Alfredo Pinilla both woke up on a slab in the morgue one day.  For June, this was one of two times.  The first, as a teen, was induced by a Hollywood comedy film:  having collapsed paralyzed and conscious, she was brought to the hospital and pronounced dead, only to wake up hours later, oddly displaced.