I would like to offer for comment the only 3 events flagged last night, to see if I am right to be sceptical. I have synchronised the data from my Resmed 10 APAP and my Wellue SleepU pulse oximeter.
Event #1
This doesn't look at all like a typical hypopnea to me. The movement right from the start of the event and the pulse spike 30s later are what I see a lot of, and believe to be arousals? This particular one woke me up - 90% of them don't. The lack of any oxygen drop makes it even less likely to be a hypopnea, I believe - according to the official definition anyway (though I realise the ResMed has no way to take that into consideration).
Event #2
This CA was flagged while I was surely awake. At 4:18:30am I awoke (it's not clear why) and then immediately realised I needed to do one of my patented sniff-flags (5, to say I was on my right side). I do this to help me study how many times each night I am actually awake (typically 7 times) and also help work out if one side is better for me than the other (as in the hospital's PSG, it doesn't appear so). This was accompanied by a synchronising movement spike as I deliberately sharply twisted the wrist containing the oximeter. Did I really fall asleep and have a CA less than 60s later?
Event #3
This OA shows similar activities to Event #1, and I believe we are looking at an arousal without wakening?
Thanks for any guidance. Understanding which events are real and which aren't will help me improve my titration, which is going very well actually. I felt like I slept really well last night, with slightly fewer awakenings than normal (only 6, I think). If I am right about all 3 events being spurious, then I had another event-free night - and yet my oximeter yet again says I had a poor night!
