The thing is pretty loud in a quiet bedroom at bed level. I was able to place mine underneath my nightstand on a very low stool and now it no longer bothers me. To be able to set the Flex modes you need to enter the Clinician menu, something you probably shouldn't do without consulting your physicia...

Salutations! My name is Alister and I am a snorkel snoozer. I am not yet 40 and live with my wife and kids in Holland (Europe, not MI). Got diagnosed last May, AHI of 48. Same story as many of you, did not expect it to be so high and have such an adverse impact on quality of life. They got me on a D...