Wake up rested and refreshed with Maximum Strength Sominex Nighttime Sleep-Aid. With the #1 doctor recommended ingredient, Diphenhydramine HCI, this product relieves occasional sleeplessness including difficulty getting to sleep, difficulty staying asleep, and changes in your routine like jet lag. Adults and children 12 years of age and over: Take 1 caplet at bedtime if needed, or as directed by a doctor. For best results, take the recommended dose. This will provide approximately 6 to 8 hours of restful sleep. Safe, Effective, non-habit forming. Contains #1 Doctor Recommended Ingredient: Diphenhydramine HCl 50 mg. Maximum Strength Formula for Nighttime Sleep Aid. Sominex is a sleep aid designed to help you wake up relaxed and refreshed. Single Dose, 16 caplets per box.