> The people who cultivate that skill, stay up late at night while everyone is asleep so they don’t get distracted. cite? Your implication as stated above I b

> The people who cultivate that skill, stay up late at night while everyone is asleep so they don’t get distracted. cite? Your implication as stated above I believe has not been proven. Doesn't Cal go into some detail about people who have cultivated this skill; perform deep work, and then only do it for "normal" (or even more often, far less than "normal") work hours and thus have the rest of the working day to do whatever else they enjoy?