A specialist should consider what has caused the problem and if there is a specific remedy for that. New styles of mask come on the market every few years and a mask which fits well is one of the key issues. Sometimes changing to different styles of CPAP machine may help. Self setting Autoset machines adjust the pressure so there is extra pressure when you're deeply asleep [REM or dream sleep] - a time when your muscles are very relaxed, or while you are lying on your back. There are several styles machine, which drop the pressure while you breathe out, such as C-Flex, VPAP or Bi PAP.