I actually have found just the opposite. If I have a good next action on an important project, I can usually make significant progress in 30 minutes, and sometimes in 10 or even 5 minutes. Sometimes, I will work for two hours on a single project if I want to, but it's rare for me to have a list of sequential next actions. I don't necessarily need or even want a list, because when I stop I tend to write a better fresh next action than I would have if I had "planned" things out. To give a concrete example, I am revising a manuscript now to address some comments I received. The comments form a list of project support material, but that's not what I work from. I work from my next action list, from a single bookmark that tells me how to start up again. It's really your choice how you want or need to work, but I feel fresher and more on top of things this way. It's also a lot easier to maintain, because I'm heading in a direction rather than making corrections to my route.
Originally Posted by AGrzes