When I want to be sure I will stay asleep after The Four AM Pee, I take two Benadryl before bed. I try not to do it too often, because apparently one quickly bu

When I want to be sure I will stay asleep after The Four AM Pee, I take two Benadryl before bed. I try not to do it too often, because apparently one quickly builds a tolerance for it. <https://journals.lww.com/psychopharmacology/pages/articleviewer.aspx?year=2002&issue=10000&article=00012&type=abstract https://journals.lww.com/psychopharmacology/pages/articlevie...>