Buy Ambien online is used for a short-time treatment of a particular sleep problem (Insomnia) in adults. If you have difficulty falling asleep, Ambien enables you to fall asleep faster, so you can get a better nighttime rest. It belongs to a category of drugs called sedative-hypnotic, and Ambien is a brand name of Zolpidem which operates on your brain to produce a calming effect. Zolpidem is for short-term, usually 2 to 3 weeks for the treatment of Insomnia.