I'd pull my naturally curly hair out if I could not be logged in on several machines at the same time (espcially, when I'm wearing my IT hat like Paul).
We all have different logins in this office. My assistant logs in when she checks in folks in the exam room (a laptop in each room), forwards the chart to me and then logs out. I log in as soon as I go in there. At the same time, I'm always logged in at my desk, and she is logged in at her workstation.
We don't find it a problem logging in and out all day.
