In The Surprising Math of Doing Less—Cal Newport's podcast episode 194)—Cal reminds his listeners that dedicating more hours in a row to the same activity has a compounding effect not present when we jump from activity to activity. For instance, writing for five hours can yield better writing results that spending 30 minutes writing six days in a row. That's why doing less, not in dedicated time but in different types of tasks, can make our work better.