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