Ambien is a prescription medicine for the treatment of acute and short-term insomnia. The generic name of the drug is zolpidem, and the brand name of the drug is Ambien. Ambien is an approved medication for insomnia as it works in the Brain and targets the agitated brain cells that disturb sleep and sleep cycle. It belongs to the class of drugs called sedative-hypnotic that helps relax the Brain and nerve cells and helps you sleep properly. Lack of proper sleep can adversely impact our lives. Purchase Ambien without a prescription, if left untreated, can cause serious health issues.