Shoest acting benzodiazepine is:
Alprazolam is sho acting hypnotic,lorazepam & diazepam are long acting ,while triazolam &midazolam are ultra sho acting benzodiazepines . Ref: KD Tripathi 8TH ed
Midazolam
Alprazolam
Lorazepam
Diazepam
Central Nervous system