While the exact work-to-rest ratio depends on the demands of the job and individual preferences, the overall theme is clear: alternating between blocks of 50 to 90 minutes of intense work and recovery breaks of 7 to 20 minutes enables people to sustain the physical, cognitive, and emotional energy required for peak performance. This ebb and flow runs counter to the all-too-common constant grind of either perpetually working in an “inbetween zone” of moderately hard work or working at the utmost intensity nonstop. Neither of these more traditional approaches is ideal. The former leads to
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