i am on my 3rd night with a CPAP. First 2 nights I wake up with it is such high pressure and can't exhale. I called the Hospital that gave it to me and they said to turn off and turn back on. I don't want to be woken up constantly through the night. I normally only awake when I need to go to the bathroom. Some times I never wake up during the night. I have been told that I stop breathing during the night for over 40 years.
