Human metabolism varies from one person to another, but is usually on average four hours, at which time it is recommended that food intake be carried out, unless there is a metabolic need that indicates another thing. In addition, the digestive system, like any other organ in the body, merits resting states for better functioning.
So it would be the most ideal to eat food once a day at 6:00 a.m., noon, and 5:00 p.m.
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.