Narcolepsy is due to an abnormality in -: (A) Hypothalamus, (B) Neocortex, (C) Cerebellum, (D) Medulla oblongata
Answer is A. Narcolepsy is unique in that those who suffer from it typically fall almost instantaneously into REM sleep.
It is thought that narcolepsy is caused by a malfunctioning of the hypothalamus in the brain.