You had me with the very first point of the six.

1. Work less

Working too hard for too long makes you less productive.

Yes, pulling 60-hour weeks is impressive. But pull them for more than two months and you accomplish less than if you had only been working 40-hour weeks.

One study, on construction projects, found that "where a work schedule of 60 or more hours per week is continued longer than about two months, the cumulative effect of decreased productivity will cause a delay in the completion date beyond that which could have been realized with the same crew size on a 40-hour week." [Scarcity: Why Having Too Little Means So Much]

(The best system for time management is here.)

Read more: http://theweek.com/article/index/258504/a-slackers-guide-to-productivity