On the 26th, Seolhyun took to her Instagram Story to share a post with the caption, ŌĆ£I had BPPV. Anyone who has experienced the same symptoms as me, go see an otolaryngologist.ŌĆØ Previously, the actress complained of health problems sheŌĆÖs been experiencing, ŌĆ£The reality in front of me looks like a video call on unstable wi-fi. Does anyone know what this is?ŌĆØ When fans expressed their worries, she replied, ŌĆ£Does it get better with a good nightŌĆÖs sleep?ŌĆØ ŌĆ£I donŌĆÖt think itŌĆÖs postural hypotension. ItŌĆÖs like that even when IŌĆÖm sitting down,ŌĆØ ŌĆ£Thanks for all your concern.ŌĆØ BPPV is one of the most common causes of vertigo ŌĆŌĆØ the sudden sensation that youŌĆÖre spinning or that the inside of your head is spinning. A person with BPPV experiences a sudden spinning sensation whenever they move their head. The symptoms may go away on their own within a few weeks or months. Source (1)