Hypnagogic hallucinations are seen in: (A) Depression, (B) Mania, (C) Narcolepsy, (D) Schizophrenia
Answer is C. NarcolepsyThe classic tetrad of symptoms is:i. Sleep attacks (most common): ii. Cataplexy: iii. Hypnagogic hallucinations: iv. Sleep paralysis (least common): Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 138