I can't breathe properly through my nose when laying down?

I have been breathing through my mouth for years now, and I know that's really unhealthy. This happens during the day standing up too but its worst at night. I can only breathe through my right nostril, but I always end up feeling like I'm choking since I can only take really 'unfulfilling' (for... show more I have been breathing through my mouth for years now, and I know that's really unhealthy. This happens during the day standing up too but its worst at night. I can only breathe through my right nostril, but I always end up feeling like I'm choking since I can only take really 'unfulfilling' (for lack of better term) breaths. My left nostril feels blocked 24/7, and I wear a nose ring in that nostril so that might affect it. Any help?
Update: Taking my nose ring didn't change anything. I've been meaning to visit a doctor for a while now, but I haven't gotten around to it, I'll do that
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