…to physically demanding jobs, however, there is rarely enough time given for rest between sessions. Most people working at a physically demanding job will be active for 7–12 hours per day, for multiple days in a row. Consider a typical 5-day workweek; there isn’t enough time for recovery, even before considering how the 5 days are in a row.
Sam Westreich, PhD
A lifelong bibliophile, who seeks to unleash his energy on as many subjects as possible