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Not nearly as severe as you experienced Jim, I've had a couple bouts several years ago when rising in the morning. I learned of the Epley maneuverand it worked for me. Get Well Soon! Paul B
I also had an experience with BPPV, quite severe symptoms. Epley to the rescue.https://www.hopkinsmedicine.org/health/conditions-and-diseases/benign-paroxysmal-positional-vertigo-bppv
Therapist is convinced it’s an inner ear infection
A friend had an episode of Benign Paroxysmal Positional Vertigo; https://www.hopkinsmedicine.org/health/conditions-and-diseases/benign-paroxysmal-positional-vertigo-bppvHe went from fine to slow rising to dizzy to vomiting and finally the tweety birds circling and eyes spinning so bad we all thought he was having a stroke over the course of 48 hours. The ER doctor said "I think I read about this in medical school" took 5 minutes Googling, did some physical manipulations, sitting, laying, rotating the head and 5 minutes later it was gone completely and never came back.