> Obviously this is a special case. Many people use these machines with no ill side effects, but for me, since it’s so personal, I have an admittedly irrational fear of them. For me though, I’d rather not need it in the first place if I can avoid it.

Thanks for sharing that. I have a CPAP and your account is one more point to something I have been suspecting for a while now, especially in the last few days.