Usually occasionally eat late-night snacks will not cause harm to the organism, if long-term snacking may cause insomnia, obesity, indigestion and other hazards, usually need to plan a reasonable diet. 1. Insomnia: usually at night the brain is in a state of rest, if you eat late-night snacking, it may make the nerves excited, and gastrointestinal function also continues to operate, which will affect sleep, and even insomnia. 2. Obesity: generally people in the night activities are relatively less, more in the sleep state, so that the whole body to get relaxed. If you eat late at night, it will not only affect the body’s metabolism, but also may lead to the accumulation of calories, and thus obesity may also occur. 3. Indigestion: Because the gastrointestinal function is also in a state of rest at night, if you eat a snack, it will force the gastrointestinal system to work at night, which will increase the burden on the stomach and intestines, affecting the digestion of food, and indigestion can occur. Patients may experience bloating, abdominal pain, diarrhea, constipation and other symptoms. It is recommended to develop good dietary habits, avoid frequent late-night snacking, and eat a reasonable diet.