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: Physiology
[{'content': 'Growth hormone secretion is decreased by ? \nSelect and explain. \nA. Hypoglycemia, B. Exercise, C. REM sleep, D. Stress', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., REM sleep REM sleep decreases the secretion of GH. Other three stimuli increase GH secretion.", 'role': 'assistant'}]