I'm someone who only has limited amounts of energy (as in, sustained hard thought and focus), combined with a tendency to get hung up on briefly fascinating, but ultimately irrelevant details. My approach to making progress on projects is to keep a very short list of things that I think I really can make progress on, along with a few footnotes about what imperfections to ignore, followed by a paragraph about why I think I can make progress on these items.

Then, on any day where circumstances are in my favor, I can look at the list, pick something, and start doing it. Or, if I disagree with the list, then the immediate task is to fix the list. Anything I no longer agree with, or don't have the means to pursue, is removed. It feels important to me that the list remains concise and focused.

I think that I'm now better at switching off, being able to do other things, being able to unwind, partly because the list gives me the confidence that I'll be able to pick things up again tomorrow, without needing to wear a furrow in my brain in the meantime.