Ambien, known generically as zolpidem, is a prescription medication used primarily for the short-term treatment of insomnia. It is a type of sedative-hypnotic that works by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA) in the brain, which helps to induce sleep. It is Prescribed for the short-term treatment of insomnia, particularly difficulties with falling asleep. Ambien Works by slowing down brain activity to allow for sleep, primarily through enhancing GABA activity.