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
Shortest acting non benzodiazepine sedative is 
Select and explain. 
A. Zolpidem, B. Zopiclone, C. Zaleplon, D. Midazolam
C: Zaleplon
Answer: C: Zaleplon 
Explanation: Zaleplon is the shortest acting among the other 3 'Z' compounds given above.
Midazolam is the shortest acting sedtive among all the Benzodiazepines.