HealthA2Z Sleep Aid is an effective and non-habit-forming sleep product. It contains an antihistamine called Diphenhydramine, which temporarily blocks the histamine action that can cause alertness in the central nervous system (CNS). It helps you fall asleep fast and get a good night's sleep to recharge and restore your body. HealthA2Z Sleep Aid offers a single active ingredient sleep-aid, skip the extra medicine. HealthA2Z Sleep Aid provides non-habit-forming sleep soft gels for a nighttime sleeping solution for adults and children.