Why do you feel dizzy when sitting on a couch or couch?
Dizziness, some because of low blood pressure, lack of brain blood supply, and even fainting. For example, at the 1996 Olympic Games in Atlanta, China's famous shooting contestant Wang Yifu fainted in the stadium, that's the reason.
80% of vertigo is related to dislocation of cervical intervertebral joint. How does vertigo occur? In my opinion, about 80% of vertigo is related to dislocation of cervical intervertebral joint, except for congenital factors such as brain nerve malformation or organic lesions caused by trauma.
