You must have missed dinner at first. Yes, in this case, you'd better drink some water, because if you don't eat, your stomach will also secrete digestive juice. If there is no food to digest, you digest the stomach wall. That's why you have gastritis. You'll get used to it later.
When you talk about drinking sugar water, if you encounter hypoglycemia and feel dizzy, you can. Coke Sprite honey water is very good, which can be immediately converted into blood sugar and relieve symptoms. If it's just nausea, just drink some water.