1) Know when you’re at your best

And plan accordingly. To be a productivity ninja focus less on time management, and more on managing your energy.

Charlie Munger, Vice-Chairman of Berkshire Hathaway, used a system like this to make sure he was always growing.

He identified the hours when he was at his best — and then routinely stole one of those peak hours for learning.

Via The Idea Hunter: How to Find the Best Ideas and Make them Happen:

Charlie Munger hit upon one strategy when he was a young lawyer. He decided that whenever his legal work was not as intellectually stimulating as he’d like, “I would sell the best hour of the day to myself.” He would take otherwise billable time at the peak of his day and dedicate it to his own thinking and learning. “And only after improving my mind — only after I’d used my best hour improving myself — would I sell my time to my professional clients.”

Are you a morning lark? A night owl? Tired after lunch? Best after a nap? Track what works for you and plan around that.

2) Get enough sleep

No, you can’t cheat yourself on sleep.

Cutting corners on siesta time has a cascade of negative effects, not the least of which is making you less proactive.

Via The Secret World of Sleep: The Surprising Science of the Mind at Rest:

Irrespective of how well you were able to get on with your day after that most recent night without sleep, it is unlikely that you felt especially upbeat and joyous about the world. Your more-negative-than-usual perspective will have resulted from a generalized low mood, which is a normal consequence of being overtired. More important that just the mood, Read More Here