As usual, I found this cute little cure for insomnia in the New York Times archives for July 23, 1899.
The reason that this article caught my attention is that I have used some of these techniques. Many years ago, I had used pushups as a method of tiring myself so I could get back to sleep. I also have used warm milk. My wife used to complain that I thought sex and a glass of milk could cure anything.
I found a lot of “cures” through the decades, but the Transition Trek of In Pursuit of Sleep is all I ever need now.