It does sound too good to be true, and no, I haven’t tried it, but if you want to change your work routine, consider the pomodoro technique.

If you are still interested, there is an article on it: The Simple Technique To Fit A 40-Hour Workweek Into 16.7 Hours. I find it hard to believe, but for some of you, it may just be the thing you need to improve your work life.