Some of the sleep aids that have diphenhydramine as an active ingredient include: Simply Sleep Nytol Sominex 40 Winks Generic versions are also available. Unisom's active ingredient is the ...

Benadryl (diphenhydramine) and Unisom (doxylamine succinate) are sleep aids that can be purchased over the counter. Both medications are antihistamines that have sedative side effects. Generic ...