I've worn a CPAP for about 6 years and I love it. It only took me a week or so to get used to it. The key is just to relax. At first the rushing air seems like it is too much, but the key to getting used to it is to use the gradual increase setting for the first week or so. It starts out at about 30% of the prescribed flow, then gradually incrases over about 20 minutes to the full throttle (!), and hopefully by that time, you are asleep. At first you have to breath more deeply and exhale more forcefully, but if you just relax and go with it, it is very easy to get used to. The masks are comfortable, the key is to get the straps adjusted so that you don't have any leaking. It's a wonderful thing........I wish I had a portable battery pack so I could take it camping. ..... Good luck!