Transition time: If one activity ends at one p.m. and the next starts at the same time, you’re probably going to be late, even if it’s just a video meeting. Transitions take time—and our brains need time to switch between two things, too. Contingencies: Sometimes, we can’t do something before we’ve done something else first. For instance, it’s hard to wrap presents if they haven’t arrived yet—or if we don’t have wrapping paper. Our energy levels: A lot of time management is actually energy management. We might technically have the time for something but not the energy to actually do it.
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