Unisom Extra Strength Night Time Sleep Aid Tablets (Diphenhydramine) can be taken occasionally if you find it difficult to fall asleep at night. This over-the-counter sleep aid medication is not a cure for insomnia or other sleep disorders, but you can take it from time to time if you cannot fall asleep due to such things as fatigue or being overworked.

Many factors can affect whether you get a good night’s sleep, including your pillow and mattress, what you eat before bed, and the amount of exercise you get. If you find you are still experiencing sleeplessness after two weeks of taking Unisom Extra Strength Night Time Sleep Aid Tablets, you should discuss this with your doctor.

Unisom Extra Strength Night Time Sleep Aid Tablets contain the active ingredient Diphenhydramine, an antihistamine that will temporarily impede the activity of histamine in your body. Histamine can cause alertness in your central nervous system and prevent you from falling asleep.