I know this will show my age but I use to be able to go into FM server and see IDLE time for each currently logged in user.
I don't see that information anymore. Obviously that information is there since you can set it to log off a user after x amount of time idle.
I found that information handy when wanted to disconnect a user. If they have been idle for a long time I can feel comfortable that I am not kicking them out while enter data.