This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
[{'content': 'Paradoxical sleep is? \nSelect and explain. \nA. Seen in obstructive sleep apnea, B. REM sleep, C. NRM sleep, D. Narcolepsy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B REM sleepRef: Ganong, 25th ed. pg. 274* In REM sleep, the high amplitude slow waves in EEG during sleep are periodically replaced by rapid low voltage EEG activity which is identical to awake aroused state.* Now the point is that the person is sleeping while EEG record is like that of an awake patient. Hence REM sleep is called as paradoxical sleep.', 'role': 'assistant'}]