Ambien belongs to the Nonbarbiturate Hypnotic class, used as the first-choice treatment for insomnia or other sleeping disorders. Being a scheduled IV medication, You can purchase the medicine only with a proper prescription from a doctor from a chemist shop near you or Buy Ambien online without a prescription. Ambien is available in various forms, such as oral tablets, oral sprays, sublingual tablets, extended-release tablets, etc.