Adult patients with a specific sleep disorder (insomnia) are treated with Ambien (zolpidem) for a brief period of time. It facilitates a quicker fall asleep if you have difficulties falling asleep, allowing you to obtain a better night’s sleep. Zolpidem is a member of the sedative-hypnotic drug class. It has a relaxing effect on your brain through action. Since its introduction in 1993, Ambien has grown to be one of the most frequently prescribed and researched drugs for sleep aids.