This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Psychiatry
Shoest acting non benzodiazepine sedative is: 
Select and explain. 
A. Zolpidem, B. Zaleplon, C. Zopiclone, D. Midazolam
B: Zaleplon
Answer: B: Zaleplon 
Explanation: Amongst the three Z drugs, zaleplon has the shoest half life of one hours, half life of zolpidem is 2.4 hours whereas that zopiclone is 5 hours. Midazolam is a benzodiazepine