Waking up early and using stimulants, hydration, or brief high-intensity exercise can shift cortisol pulse earlier, enabling a morning work block.

“So some people by waking up early and using stimulants like caffeine and hydration or some brief high-intensity exercise, can trigger that cortisol pulse to shift a little bit earlier so that they can capture a morning work block that occurs somewhere, let's say between 6:00 and 7:30 AM.”