Ambien is a powerful prescription medication that treats adults with mild sleeping disorders( insomnia). It belongs to the sedative-hypnotic drug class. Ambien is a highly effective medication that encourages seven to eight hours of uninterrupted sleep. Buy Ambien Online and get a good night's sleep, which is why sleeping for eight hours is essential. Ambien starts its work within 30 minutes and remains in the body for 8 to 10 hours, which means you can get 8 hours of full night's sleep after having it.