Aug 14, - Rozerem can be prescribed for long-term use, and the drug has Zolpidem is now available in an extended release version, Ambien CR. 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 (zolpidem) is a sedative and is used for the short-term treatment of insomnia by helping you fall asleep. Includes Ambien side effects, interactions and ?Ambien Side Effects in Detail · ?Dosage Information · ?Pricing & Coupons.