All of a sudden, I don't know why. What's going on?

Sudden inexplicable hiccups, to consider the following reasons: First, diet factors. Eating too much, overeating, eating too fast, eating too cold and overheated food, eating carbonated drinks and eating too much food will cause hiccups, abdominal cold, mental tension will also cause hiccups; Second, also consider gastrointestinal diseases. Gastrointestinal dysfunction, indigestion, stomach ulcers, etc. will show sudden inexplicable hiccups; Third, we must also consider the cause of diaphragmatic spasm. If you show sudden and inexplicable hiccups, it is best to go to the hospital to check the cause and take corresponding measures. Usually, you should eat light and easily digestible foods, do not overeat, and do not eat spicy and stimulating foods. Food, eat regularly and regularly for three meals, quit smoking and alcohol, keep a happy mood, and do not stay up late.