You generally have two options when you find yourself in a pair of flex cuffs: You can either a) lay there and do nothing, or b) break out of them like a motherfucking beast.
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.