Thanks again Pugsy, and yes the problem only occurs when I try to go back to sleep after waking during the night - the Resmed has a "cooldown" timer with the humidifier I've noticed so I wait at least long enough for that to complete but I may read for an hour or so. Doesn't make any difference. And...

Last daily capture

Thanks for the prompt reply Pugsy, I don't have a scrolling capture tool so here are a series of window captures from last night. I woke at about 3.45am, read till about 5am and then attempted to go back to sleep. I then experienced the repetitive drift off/wake cycles and was unable to go back to s...

Hello, New member here from Brisbane Australia. Long term APAP user last 5-6 years with S9 Autoset. I'm well used to CPAP and don't use any ramp time. Pressure setting min 11.0 max 14.6. Median pressure reported by OSCAR around 12. Relatively mild climate here so have never used the Humidifier attac...