1, watermelon had better not be eaten before going to bed, because watermelon has diuretic effect. Eating too much will not only put pressure on kidney function, but also affect rest if you go to the toilet frequently at night.

Watermelon is a cool food. Eating too much is easy to hurt the stomach. Therefore, people with weak spleen and stomach, indigestion and loose stools should eat less. Eating too much will lead to abdominal distension, diarrhea, loss of appetite, and will continue to accumulate cold and help dampness, resulting in symptoms. If you eat too many melons at a time, a lot of water in melons will dilute gastric acid, leading to indigestion and decreased immunity of digestive tract.