It's one thing to be engrossed in something.
It's another thing when you are obsessed.
Personally I experience weird fluctuations in energy levels and concentration. My energy levels tend to vary daily. On Mondays I'm usually in tip-top form and can do lots of things, no matter whether work or non-work related. On Tuesdays I'll feel really tired through the day so at night I'll fall asleep quickly and get a rested sleep. On Wednesdays being well rested, my energy is up again and I can do lots of things. The cycle goes on until the week-end when I get more time to rest so my body resets.
With all these weird symptoms going on with my body, I have learnt that I have a preference for doing different categories of work on different days. For instance challenging issues to be dealt with on Monday, and on Tuesday I do routine work that doesn't require that much creativity.
Also through the day my energy level changes. Lots of studies have been done on this. Energy changes during the day can be caused by caffeine or blood-sugar crashes accompanied with prolonged sitting and not getting your behind moving.
This is a little harder for me but I'm consciously making efforts to move my hiney every half to one hour. Getting a drink, standing around to gossip, bathroom break.. tiny little breaks help.
I also switch around the tasks when I want to 'reward' myself for tackling something difficult. For instance when I investigate an issue I make a few mental notes on the steps I would take. Where the task is tedious, I let myself take a break from it after a certain milestone, and flick out my Outlook to look through the new emails. Then I go back to the tedious task part deux.
These are all the little things I find helpful in dealing with my daily grind which I think may already seem like common sense to you. I hope I have planted a reminder in your head and mine, that it's ok to give yourself a break if you really need one. Don't get obsessed with fixing the next break, investigating the next issue until your bladder's gonna burst or your eyes glaze over from staring so hard at the computer monitor and begin to see stars.
Ultimately it's about understanding yourself and how you work best. So how can you be efficient and effective?
♥