A version of this article was originally published by the Trace, a nonprofit news organization covering guns in America. Sign up for the newsletter, or follow the Trace on Facebook or Twitter.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.
And no one knows that better than military service members and we have the pictures to prove it.