I've enjoyed my Cpap from the beginning. The only problem I experienced was air whistling under the seal keeping me awake, but that was soon resolved.
Problems and Solutions With a Full-Face CPAP Mask
By Dhaxel Barqs — From ezinearticles.com May 19, 2010 5,176 10 4
Unfortunately, there are usage issues with CPAP masks that make them less than effective for many individuals. But since this is matter of health, you must find ways to overcome your initial difficulties with them. Here then are the ways to do so.