Mabe he should read this: <a href="http://news.ycombinator.com/item?id=971708" rel="nofollow">http://news.ycombinator.com/item?id=971708</a><p>Direct PDF link: <a href="http://lostgarden.com/Rules%20of%20Productivity.pdf" rel="nofollow">http://lostgarden.com/Rules%20of%20Productivity.pdf</a><p>One thing this presentation says: while working more than 40 hours a week eventually lowers your productivity, your <i>self perceived</i> productivity is still higher.<p>Now, every individual is different, and I understand that he may have a productivity peak at more than 40 hours a week. But 95?[1] 4 hours nights? That is superman.<p>[1]: He took the example of 19 hours a day.