Nuts don't digest easily. Eating nuts on an empty stomach is not good for your health, and it is easy to cause gastrointestinal discomfort such as indigestion. It is recommended to eat apples on an empty stomach in the morning. This is because I haven't eaten for more than 10 hour from the previous day's meal to the breakfast that day, and my liver sugar is basically consumed, so I feel particularly tired when I get up in the morning. If you eat an apple on an empty stomach, fructose will be quickly converted into glucose and absorbed by the human body. After about half an hour, people will feel energetic. In the morning, people are generally hungry. Eating apples can supplement sugar, so eating apples in the morning has high nutritional value. Eating apples on an empty stomach can help digestion.