Thank you for your thorough replies. I really appreciate your support.

I saw a physical therapist yesterday and she doesn't think I have RSD.

I found that, if I don't press/sqeeze my right arm to feel or lessen the pain, my arm pain wouldn't last as long. So it seems like a nerve issue.

I have issues with sleep. and it's mainly because I have limited sleep positions due to my painful arm and shoulder.

Thank you again.