I have sleep apena my pressure on my machine is set at 15 & since I have COPD with Emphysema I also have oxygen that runs through it 4 liters of oxygen & I'm here to tell you I'm never ever sleep so good since I have a C- Pap machine love it

Yes, I had one done a few years ago and it showed that I have sleep apnoea and stop breathing around 800 times during a 5 hour rest period. It was called rest because it also showed I never got into REM sleep where your body actually does recovery tasks. The hospital also determined that my oesophagus partially collapses so I restrict my breathing causing snoring noises, but also reduces my oxygen levels in my blood flow. All told, a lot was determined.

Yes, it revealed that I have insomnia and CFS.

I had a sleep study I have sleep apena with my oxygen very log when I sleep, my pressure on my sleep study is 15 & my oxygen is hook into it which I'm on 4 liters of oxygen