Ambien 5mg is classified as a sedative medication, also known as hypnotic. The medicine active ingredient is Zolpidem, which interferes with the brain chemicals, balancing them and combating the signs of insomnia. With the help of quality medicine, you will be able to immediately insomnia treatment and get your healthy sleep back. You can buy Ambien online in two forms, the extended release and the immediate release. The immediate-release version of the medicine spreads in the body instantly to let you sleep easily when you first hit the bed; the extended- release version, Ambien CR, spreads slowly over time.