Right - I've found that 5 minutes I compensate for. 1-2 minutes on the other hand is little enough extra margin that I don't, but just enough to save my arse re

Right - I've found that 5 minutes I compensate for. 1-2 minutes on the other hand is little enough extra margin that I don't, but just enough to save my arse reasonably often. My business partner moves the time on his bedside clock around by 15 or 20 minutes semi-randomly every couple weeks to keep himself off balance - that didn't work for me at all but it's been doing fine for him for years now.