Evan Robinson has collected a whole bunch of evidence that long hours don't result in greater output (http://www.igda.org/?page=crunchsixlessons http://www.igda

Evan Robinson has collected a whole bunch of evidence that long hours don't result in greater output (http://www.igda.org/?page=crunchsixlessons http://www.igda.org/?page=crunchsixlessons). This has been known for something like a century at this point.