Imagine an army made up of soldiers that could go days without sleep, had endless aggression, and weren’t afraid of anything. In the early days of World War II, a Berlin-based drugmaker called Temmler Werke produced a pharmaceutical that made German soldiers fearless in battle. That drug was crystal meth.
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.