Sominex Nighttime Sleep-Aid Caplets, Maximum Strength, 16 ea (Pack of 2) - 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. Directions: Adults and children 12 years and older: 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. Warnings: Tamper Evident: This product is protected in a sealed blister. Do not use if a blister or printed foil is broken.