“Well, just remember that willpower weakens once it gets tired. Scientists call the condition ‘ego depletion.’ See, you wake up each morning with a full battery of self-control. That’s why I want you to do the activities that are most important to the rise of your inner empires at the time when your capacity is strongest—at 5 AM. Here’s the thing: as you go through your day, going to meetings, checking messages and performing tasks, your ability to self-regulate decreases—and so does your capability to handle temptations and manage weak impulses. The fact that human discipline muscles get
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