This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Which one of the following phenomenon is closely associated with slow wave sleep - \nSelect and explain. \nA. Dreaming, B. Sleep walking, C. Atonia, D. Irregular heart rate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Slow wave sleep (stage 3 & 4 of NREM sleep) disorders:- Sleepwalking (somnambulism), night tenor (sleep terror or pavomoctumus), Nocturnal enuresis, Bruxism (teeth grinding), and sleep talking (somniloquy).\nREM sleep events/disorder :- Nightmares, nocturnal penile tumescence, Narcolepsy.', 'role': 'assistant'}]