Hi Mike, I was not on O2 at all until the second dx. After they removed my rt. upper lobe, (with left being removed five years before) they said I only needed O2 during the day when I was active. I think I posted here about my thoughts on that. Being female, and vain (hate admitting that) I just did not want to do this. People told me that SOB would feel like breathing in through a straw. It kind of did. Not quite that bad for me, but I just was not getting air in like I used to. I noticed that I got tired much easier than I did before and the doc explained that my body was working harder to get the O2 to the organs which was making me more tired. I also noticed that when my air was low, my heart would kind of skip beats.
My pulmonologist didn't know that I was only on Air during the day. He asked why I didn't wear it at night and I said "no one told me to." LOL. I do follow directions well. Logically I thought I would not need it at night because my body was at rest, and not needing as much. He explained that when we sleep our respiration and blood pressure go down as our bodies relax. He said that I actually needed the oxygen more when I slept than when I was awake because of this.
So to make a long story longer (sorry), I did wear it at night and was surprised by how much better I felt when I woke up! I slept better, and woke up refreshed, I guess because my body was not laboring for the air that my organs needed.
On the sinus issue? I have allegies and was surprised that the oxygen actually helped with that.
On the idea of being hooked to a machine? I hated the idea Mike. But, like anything in life, I got used to it quickly! It surprised me. I can remember in the past that when I saw people in public on oxygen how bad I felt for them. I thought that must be the worst to have to carry an oxygen tank around with you. But there again, I was surprised by how quickly I got used to it.
Now I forget I even have it on. It was a major hassle trying to get used to it, trying to plan my outings with oxygen tanks and how much to take, etc. But I figured it out with the help of my oxygen supplier. And now? It is okay.
Oh...except for one thing. I love to shop for shoes, don't you? *wink* I do! It is a hassle with the oxygen tank bending down and putting shoes on and getting up and walking around, etc. You know....

Anyway, that is one thing that I do on-line now. I get them at home, and try them on and ship them back if they don't fit! I get my ladies shoe shopping fix, but without the hassle!
Judy in MI