Its not the rocking itself that makes you feel sick, if so then just a rocking chair would do it. You feel sick when the rocking of a boat does not match what your eyes are telling your brain. When you are *inside* the boat with no windows, your eyes are telling your brain that you are in a stationary room, but your ears are telling your brain you are rocking around. This discrepancy is what causes sea sickness
Latest Answers