Nap slot? people take naps on Sundays? I think it's a lot better than my slot for GrrCON (8pm on Thursday night).

A friend of mine did that. Went out on a pentest. got a little surprised when the box popped up saying shutting down now, you got caught.

Another friend does that where he works, works for a college. He's got stuff running looking for the backtrack box names connecting to his network, and then shuts the ports down.