I have and am experiencing what you experience atm. The first thing which is helping me very, very much is focus training. After like a month of training to fo

I have and am experiencing what you experience atm. The first thing which is helping me very, very much is focus training. After like a month of training to focus fast and hard, I am able to dive into a problem and ignore everything around me within minutes, allowing me to work more efficiently faster, resulting in more getting done in less time. The second thing, closely related to the first (and an item on my list of mental improvements) is improving focus stability, but I know several people with a very, very stable focus. Interrupting them is pretty much like being an IO-Interrupt in a modern processor. It takes a few seconds, but then everything they need right now is swapped out and they can answer simple things or do something easy for a few minutes until the interruption is over and they go back to their focus and continue doing what they were doing. Going a bit further, this is a certain experiment me and several people are performing on a fun base: Is it more efficient to sleep less and thus get more done due to having more time, or is it more efficient to improve ones focus and get done more in the same time, by being better? :) The third thing which works very well for me is dynamic, hierarichal task structuring. Whenever I have a task and I consider if I am very confident if I can finish this particular task in the time I usually have (I don't start working seriously if I have less then half an hour to an hour). If I can, I finish it, if I cannot, I split it into more subtasks (or sometimes decide that this is not possible and somehow mark this task). Doing this, I always have a set of tasks which fit nicely into a short time and tasks which need to be refined further.