Really depends on the day - if I have a lot of interruptions, my "flow" consequently gets shot, and the work I do goes downhill considerably. However, when I h

Really depends on the day - if I have a lot of interruptions, my "flow" consequently gets shot, and the work I do goes downhill considerably. However, when I have it going on, I can stay focussed for 2-3 hours at a stretch without needing a break, but generally then my eyes start pointing in different directions. After a short brak / walk outside I can generally pick up where I left off and be good for another couple of hours before I run out of steam...