Otc antihistamines like diphenhydramine (Benadryl, Sominex) and doxylamine succinate (Unison, Vickslep Tabs) were shown to have mild sedative effects that to help you loosen up and fall asleep quicker. Chamomile tea is thought to be the preferred natural sleep aid. What tea is healthy for sleeping? What is the perfect non-prescription sleep aid? Research studies have shown that chamomile has a...