Yup what ChronicJoint drew and wrote is pretty much what I do. You could also just lean back a bit when you put them in so its not as likely they fall on the floor or something.

I've heard people say if you sleep with them they can roll back into the back of your eyes and can never be gotten out.. I've slept with them heaps, about 3 nights in a row max I guess, can anyone confirm/deny this?