Narcolepsy may be associated with a disruption in the synthesis of
a. acetylcholine.
b. norepinephrine.
c. serotonin.
d. orexins.
Question 2
REM dreaming phenomena that precede actual sleep are known as
a. myoclonia.
b. hypnogogic hallucinations.
c. hypnopompic hallucinations
d. sleep apnea.