If you have a never ending todo list try sorting the list by energy state. High and low energy tasks. A high energy task would be something that takes quit a bit of mental bandwidth. When you feel tired or uninspired you do the low energy tasks. When you feel amazing or during your most productive time of day do the high energy tasks.

An alternative sort method is to do the thing you least want to do first.

If memory serves this idea comes from Khe Hy