I tried the Dreamwear with pillows last night. I did have fragmented sleep, a problem both before and since starting CPAP. I did drop back to sleep quickly, however, which IS an improvement! The strap kept slipping up the back of my head and I felt like I had to keep adjusting the mask. Which, actually, seems to be borne out the data--a very leaky night (for me). However, a great AHI! Are the leaks from last night high enough and/or long enough that I need to worry about them? I've only been using CPAP since mid-Jan so I'm still fairly new to all this.
I have a small head, so am using the small headgear. I *may* have tightened it a little too much, because my nose (which is sensitive to pressure) was a bit sore this morning. I will try loosening the straps a little tonight. It's just that the mask felt so loose on my face last night.
I am open to any suggestions, for leaks, keeping strap down, etc. The strap riding up is a recurring problem, no matter what mask I use. Part of the issue is that my hair is silky fine and slippery, but when I look at mask fit pictures, I am beginning to think my ears are too high on the sides of my head!

The straps rub/ride on the tops of my ears and seem to want to sit a little lower down <sigh>.
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