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
[{'content': 'Shoest acting non benzodiazepine sedative is: \nSelect and explain. \nA. Zolpidem, B. Zaleplon, C. Zopiclone, D. Midazolam', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]