My fingers swell sometimes in the middle of the night. I wake up because my rings get tight. If I open n close my hands for 10 minutes swelling isgone?

R/O RAYNAUDS. Raynauds is a vasospastic condition that can be associated with other Auto-Immune disorders. Follow up with your doctor, it can respond to calcium channel blockers and medication to improve blood flow, like trental (pentoxifylline).