You can read here about Henry Ford and the 40 hour work week - http://www.worklessparty.org/timework/ford.htm http://www.worklessparty.org/timework/ford.htm Fo

You can read here about Henry Ford and the 40 hour work week - http://www.worklessparty.org/timework/ford.htm http://www.worklessparty.org/timework/ford.htm For knowledge work though, the studies I've come across seem to suggest that a work week of 30 hours would be ideal. You can read this article about how Kellogg's actually had productivity go up when moving to a 30 hour work week - http://findarticles.com/p/articles/mi_m1093/is_1_42/ai_53697784/ http://findarticles.com/p/articles/mi_m1093/is_1_42/ai_53697... Financially independent authors have also been known to just work 4 hours a day on their writing and then use the rest of the day for leisure and re-cooperation.