Important? Do it first thing in the morning!

I think Ace of Spades is right when he gives us this advice:

If you have something important to your life you want to do, do it first thing in the morning.

Two reasons: 1, you are more creative and fresh in the morning; 2, in the morning, you have not yet been overcome by the demands of the day, which will cause you to not do that very important thing, should you wait to do it.

...If something's important, you'll only skip it if you have a really good reason for doing so. But guess what? The longer you wait, the more the odds climb that your day will deliver that Really Good Reason not to do it.

Read more here.