What Earth-based activity may create motion sickness similar to that experienced during spaceflight?

Flying on an airplane, riding a car, train, or boat.

Explanation:

The different motions that cars or airplanes make can make us feel uneasy or unwell. Our bodies aren't used it to it, and some people are more sensitive to the motions.

one day because their over eating or whenever it kicks in their body

that information cannot be released except with patient permission or to immediate family members. you could state the patient is ok but you cannot give any information on the illness or on treatment being given.