Long-term studies of Benadryl's effects are lacking. Taking Benadryl long term may increase ... going to sleep at the same time each night, and turning off electronics before bed Relaxation ...

Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine commonly used to treat allergies that is also sometimes used as a sleep aid for insomnia. Benadryl is only intended for the ...