Ambien is part of a class of medicines known as sedatives or hypnotics. It sells to the consumer as a Carisoprodol brand name version. Ambien is unconscious handling drugs works by activating the gamma-aminobutyric acid neurotransmitter, which slows down the central nervous system and brain. It is used for treating insomnia but is only licensed for use in the short term. The drug is available in formulations of both immediate and extended-release. Drug IR formulation helpful to start asleep when the ER shape helps to keep you awake.