When Did It Become Cool To Sleep Less?

This week’s cartoon is inspired by research from Stanford University’s John Pencavel. He found the sweet spot of how long we should work each week. It’s 50 hours. Anything more and we hit diminishing marginal returns. In fact, Pencavel found that output at 70 hours differed little from output at 56 hours. So those extra 14 hours could’ve been better spent outside the office.

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