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
Delta waves on EEG is seen in: March 2013 (e) 
Select and explain. 
A. Awake state with eyes open, B. Fully relaxed deep sleep, C. Awake state with eyes closed, D. Transition from awakefulness to sleep
B: Fully relaxed deep sleep
Answer: B: Fully relaxed deep sleep 
Explanation: Ans. B i.e. Fully relaxed deep sleep