Actress Han GAIN hospitalized in hospital gown...is it because of her meeting with Kim Dongjun (ZE:A)?

Actress Han Gain surprised everyone by admitting to hospital. On the 5th, Han Gain posted a photo taken at the hospital on her Instagram story.
Han Gain wrote, "Meet Doppelganger" along with the photo.
In the photo, Han Gain is seen hospitalized in a patient gown. Despite her illness, Han Gain has maintained her beauty, which is surprising.
Recently, Han Gain was hospitalized due to sudden dizziness and pain on the evening of the day he met actor Kim Dongjun, a member of the doppelganger group ZE:A.
It was discovered that this was caused by orthostatic hypotension. Meanwhile, Han Gain is married to actor Yun Jyung Hoon and has one son and one daughter.
She also runs a YouTube channel called "Freedom Lady Han GAIN."