Ambien is a commonly prescribed medication for anxiety-related insomnia and other sleeping difficulties. Ambien is classified as sedative-hypnotic that works to quiet and slow brain activity to induce sleep; Buy Ambien Online, which works for anxiety to relax and calm people with a high level of apprehension. It works if a person has trouble falling asleep, and it helps them fall asleep faster, so a person can have a better night's rest.