Pink's "perfect nap" involves drinking coffee immediately before a 25-minute nap. Since caffeine takes about 25 minutes to enter the bloodstream, he wakes up with the dual benefit of the nap's restorative power and an immediate caffeine kick.
To effectively separate work from her weekend, Rolstrom has a ritual of writing down what happened, what she felt, and what she learned on Friday or Saturday. This practice helps her consciously process the week and "let go" before the weekend begins.
Narasimhan uses this holistic system to manage his nervous system for better decision-making. He views effective leadership as a practice of balancing the body's sympathetic (fight-or-flight) and parasympathetic (rest-and-digest) states, which this framework helps him control.
Dorsey's one-meal-a-day diet is less about nutrition and more about productivity. He found it gave him a "superpower" by freeing up hours typically spent on breakfast, lunch, and dinner rituals, allowing for more deep work and uninterrupted conversations.
Emanuel deliberately puts himself in physically uncomfortable situations like ice baths and fasts. He believes that training his mind to handle physical hardship directly translates to a greater ability to endure business aggravation and make better decisions under pressure.
Friedman, a black belt, sees sparring as a tool to overcome fear and practice balancing offense and defense simultaneously. She believes this physical training is crucial for leaders, teaching them that every aggressive move requires a concurrent defensive consideration.