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 of the following is a REM phase disorder \nSelect and explain. \nA. Somnambulism, B. Somnoliqsy, C. Night mares, D. Night terrors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: "Night mares" is a REM phase disorders.\n"Night terrors" is a NREM phase disorders.', 'role': 'assistant'}]