Compare to the active ingredients of Advil PM. Minor aches and pains shouldn’t interfere with a good night's sleep. Find relief and catch some Z's with Ibuprofen PM. This pain reliever and nighttime sleep-aid relieves occasional sleeplessness when associated with minor aches and pains that are keeping you awake at night. Ibuprofen PM contains a combination of ibuprofen 200 mg, a pain reliever/NSAID (nonsteroidal anti-inflammatory drug) and diphenhydramine citrate 38 mg, a nighttime sleep-aid that work hard to fight minor aches and pains and to help you fall asleep. For adults and children 12 years and over. Gluten free.