A Rodian experiencing discomfort while on a boat that is rocking.
"Sea-sickness", more formally known as motion sickness, was a state that induced nausea and was frequently worsened by recurring movements, like the swaying of a vessel on the ocean. Numerous sizable starships, for instance the Star of Empire, were engineered with motion-reducing features to stop travelers from developing this ailment.
The criminal Jasper from the Cularin system was famous for being afflicted by this condition. The concept of Fian settlements on Galantos resting on gelatinous oceans caused Tahiri Veila to experience motion sickness. Because of their tree-dwelling way of life, the Noehon species, who were insectoid, possessed a natural immunity to the effects of motion sickness.