Thanks to everyone for the feedback. It is strange, I think, that they only allow you to do a one-night sleep study at home, given that there might well be wide variations different nights. Anyway, I'm sticking with it for now - but I won't fear skipping a night or two if circumstances demand it.

My CPAP machine, which I've used every night for several years, has for the last couple of years shown very low AHI - between .5 and 2.0. So at my last check-in with my sleep doctor, I requested a sleep monitor study (at home). The sleep study showed an AHI of 5.6, with Oxygen averaging 95% (the low...

Thanks for the replies, pugsy & archangle. Yeah, I kinda figured it might be an apples and oranges situation, but I was curious if anyone else had noticed it. I have to say that so far that I do like the ResMed more than the older Remstar; it's more adjustable, and it does seem to be "gentler" to us...

After 6 years of using a REMstar Auto M Series machine (every night), it was beginning to make a lot of noise, so I went back to my provider and got a new ResMed S9 AutoSet. Both include an attached humidifier. My one and only sleep study (6 years ago) measured my AHI at around 11. My wife measured ...