Thanks for your response Gerry, I have been fitted by DME and I am using a medium mask. I will apply your method that you have provided and give it more time to become acclimated.

I am new to the CPAP program, I have a ResMed Quatro full mask and after three weeks the bridge of my nose is very sore.I have tried strap adjustments, nose mask( disliked the chin strap to keep my mouth shut) and am a mouth breather anyway,non toxic molding material that we use in work to create a ...