The eyes are the biggest contributor to calibrating your inner ear, which what we use to determine what is up and down, so staring at a (stable, fixed) point gives you a “known” point of reference that your body uses to help judge how to stay upright
The eyes are the biggest contributor to calibrating your inner ear, which what we use to determine what is up and down, so staring at a (stable, fixed) point gives you a “known” point of reference that your body uses to help judge how to stay upright