People equate "working long or very long hours" with "getting results". Nothing could be further from the truth. As a matter of fact, your personal objective should be to get as much results as possible while spending as little time as possible on achieving specific objectives. And of course, it starts with this: what's objectives are really important? One average you are going to achieve one or two important results per week. Start your week by defining which results are meaningful. If the rest does not get done, so be it...