On sleeping in one's office

One of the many cultural boundaries I seem to cross: sleeping in my office. Unfortunately, I've recently been told I can't do it anymore. Why? Why? Why? Been doing it for years and now I can't.

The latest episode began with a visiting scholar stint at the Australian National University in Canberra. I turned up, airbed and sleeping bag in hand, ready to make myself comfy for a few nights. Shower downstairs, well-equipped kitchen - what more could you want?

I'm completely open about it, but peopl...