Daniel Lemire has a new blog post arguing that working long hours is stupid. This collided with Bee’s Backreaction post on what keeps physicists up at night, included in this morning’s Links Dump.
This got me to thinking about academic work habits, which led to the following poll:
A bonus follow-up question, that I won’t bother putting in poll form, is: How long should your subordinates spend working, continuously, on a difficult problem?

