I have a horribly heavy period, and I've always slept in tampons. I think they say 8 hours is the max you can wear one? But I am sure I have slept more then that. That's scary though about all the stuff they say can happen from it. I'm so uncomfortable sleeping in a pad, and a pad and super heavy flow don't go well together. (Let's hope the boys aren't in here).
But the yeast infection stuff makes me wonder, I hadn't had one until last year, and in a year an a half now I've had 3, so obviously *something* is not right... and I'm wondering if that has anything to do with it.