Who knew! After reading the manuel that came with my Cpap machine, I learned that there are different settings for different masks. When I purchased the Cpap, I also purchased a mask (a different mask than the one given to me at the sleeping lab) but I used the lab given mask. After reading the manu...

I began my Cpap journey on 9/21/07. All is well, however, I feel kinda spacy (foggy-not clear in the head).

Also my body is stiff, sore, kinda aches. Sleeping has been ok, but I can't seem to relax and have been sleeping mostly on my back.

Help-does the foggy feeling eventually disappear?