My CPAP machine has recently started making a high pitched steady tone almost like an electric alarm clock. It does not do it all the time, but has begun to do it during the night after operating for several hours. The sound is not very loud, but it wakes both me and my spouse up. The machine is a R...

I don't think sleeping in one position too long is the cause because I'm still aware of turning from side to side and onto my back.

Thanks for suggesting BioFreeze. Am about to go see a chiropractor, so maybe they will have it.

I'm relatively new to the CPAP world, having started using a machine and mask about mid January. The machine is fine, and I think I'm sleeping better. The folks who sold me the machine sent me off with a Respironics ComfortGel mask, which seems to be the only one they sell. The mask is fairly comfor...