Editor’s Note: This article originally appeared at The Primal Power Method, the personal blog of Gary Collins. It has been modified from its original version. Follow Gary on Twitter at @primalmethod.
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.