(12-07-2012, 04:27 PM)2Tim215 Wrote:
(12-07-2012, 02:17 PM)Ugly Wrote: I changed the pressure of my machine to the average of the past three weeks. Up to 10.2 when it was, since 2005, at 8.0 . After two nights I admit I'm not feeling very rested and have a bit of a headache. I'm wondering if they are related or not. Regardless I'm going to tough it out for a while to see if there really is a benefit to the average reported by the S8 AutoSet. (Snip)
BTW I don't take the pressure setting lightly. I never would have gotten this far into it if 8.0 was still working for me. I needed a change.
Considering the way you were feeling if you did decide to increase I would think safest is to go 1cm at a time. That is what most sleep studies do for incremental pressure adjustments until they believe they landed at the right setting.
By the way, do you know what was your 95% pressure on the loaner S8 AutoSet? The pressure needed to avoid apnea is usually position-dependent, and when flat on one's back (supine), most people will need higher pressure. If your 95% pressure was more than 1 or 2 higher than the average pressure, maybe you are spending some time on your back while sleeping.
An Auto machine would simply adjust itself higher during these times, but a standard CPAP might be set too low for these times, leading to feeling poorly and headaches.
Also, I have mixed sleep apnea, and even with my Auto machine I try to avoid sleeping on my back to minimize the pressure the Auto sets itself to, since for some people higher pressures (or widely varying pressures) may be associated with more Clear Airway apnea events.
In any case, as you may know, some people find great success staying off their back when sleeping by wearing a teeshirt with pockets added for one or two tennis balls sewn on the back. I found it was important that the tennis balls be lined up along my spine, right between my shoulder blades or higher, so there would be the least likelihood that the teeshirt might shift during the night enough that the balls slipped lower and bothered me sometimes, even when I was actually still on my side.