Not a fan of chiropractors, but I’ll definitely tell my doctor at my next appt.
It has to do with the hydraulics in your inner ears - the ones that tell your brain your head is moving.
Check this out - you can actually do this yourself.
I had a sudden issue with the room spinning out of control when I lifted my head to look up or laid down flat. Very scary as I do spend a lot of time going up ladders - then looking up.