Had a couple of conversations with folk recently about the joys of time sheets — and why tracking an individuals work is often / usually a terrible idea, as well being a PITA.
But it reminded me of a practice I've found super useful in the past when I've been forced to do it myself.
TL;DR: Don't track time on task. Track interruptions.
Block out the time for the primary task - then log and subtract time spent on interrupting tasks. I found this useful coz: (1/3)