Resting (Path Of Sleep)

Even though 50% of strong aerobic performance is based on genetics; the rest is consistent with hard work backed up by efficient recovery. Workouts provide stimulation for growth but growth happens when we rest, ie

"...everybody knows how to work hard. But if we're not resting, then that sharpness and that readiness for that work out for that challenge is put in jeopardy......in Western cultures we average about 5 1/2 hours sleep a night...... that is not sufficient for stabilising the brain, so we not growing. And if you're male, two nights without seven hours and you have the testosterone curve of a woman..."

John Sullivan as quoted by Jacquie Hayes, 2015