Ambien is a brand name for the medication zolpidem, which is a sedative-hypnotic drug commonly prescribed to treat insomnia. It belongs to a class of medications known as non-benzodiazepine receptor agonists. Ambien is designed to help people fall asleep more easily and stay asleep. Buy Ambien 10mg works by affecting certain chemicals in the brain that may be unbalanced in people with insomnia. It enhances the activity of the neurotransmitter GABA (gamma-aminobutyric acid), which has a calming effect on the brain. It is typically prescribed for short-term use, usually for a few weeks. Prolonged use may lead to tolerance and dependence.