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
A 30 year old male came to OPD with complaints of having bad dream. He got up scared and experiences signs of anxiety like tachycardia, sweating. He is able to recall the episode. The most likely diagnosis is 
Select and explain. 
A. Night terror, B. Night mare, C. Narcolepsy, D. Nyctophobia.
B: Night mare
Answer: B: Night mare 
Explanation: As the patient is able to recall the episode, it is a REM phase disorder, i.e Night mare.