Every great once in a while, like 2-3 times a year if I am worried that I won't sleep sound enough I take a Tylenol PM with the benedryl stuff in it.
OUT like a light ! ! !
The 25 mgs of diphenhydramine put me right too sleep.
There was some Advil PM that had 37 mgs and that was too much, still groggy in the morning.
25 just right