AMBIEN (zolpidem tartrate) is a gamma-aminobutyric acid (GABA) A agonist of the imidazopyridine class and is available in 5 mg and 10 mg strength tablets for oral administration. What are the possible side effects of zolpidem (Ambien, Ambien CR, Edluar, Intermezzo, Zolpimist)? Ambien is the brand name for zolpidem, a drug that's used to treat insomnia. Insomnia is a sleep disorder that makes it difficult for you to go to sleep, stay asleep. Ambien (generic name: Zolpidem tartrate) is a non-benzodiazepine hypnotic that is available in 5mg, 10mg and 20mg tablets. Ambien is primarily administered.