Does anybody have this? My doc is telling me I have it, and I need to go get a sleep study done. Apparently my spo2 number takes a LOT of dips with some pretty severe ones mixed in. So I thought I would ask here to see if anybody has this and if they have any advice or insight. He told me to anticipate a CPAP after I see the pulmonologist, but that's still a ways off before I can get in there.

I tried antifreeze, but that just turned my tongue a greenish color.
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