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
Ohodox sleep is - 
Select and explain. 
A. REM sleep, B. NREM sleep, C. Narcolepsy, D. Alternate REM & NREM
B: NREM sleep
Answer: B: NREM sleep 
Explanation: Ans is'b'i.e., NREM sleep Ohodox sleep - Non-REM (NREM) or slow wave sleep.Paradoxical -+ REM (rapid eye movement) sleep