Unisom SleepGels, Maximum Strength, 32 count (50 mg Diphenhydramine HCI) - REPLACES CHA041167001339.Unisom SleepGels reduce your natural urge to stay awake. You not only fall asleep faster, you also sleep soundly and wake up energized. The liquid-filled softgels leave no chalky taste behind like some other pills and are proven to be safe and non-habit forming.