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: Forensic Medicine
True about delirium are all, except: NEET 13 
Select and explain. 
A. Preserved attention, B. Disturbed sleep, C. Disorientation, D. Hallucination
A: Preserved attention
Answer: A: Preserved attention 
Explanation: Ans. Preserved attention