Often eat a snack before going to bed, may aggravate the burden on the digestive system, affecting the quality of sleep, but also easy to lead to weight gain, may induce a variety of diseases, so often eat a snack is not a good habit. If because of special circumstances lead to occasionally eat a snack, generally does not produce too much harm, but to avoid eating often.1, aggravate the burden on the digestive system: food into the digestive system, usually need to be digested 2-4 hours, if the snacks for the barbecue, hot pot and other difficult to digest food, but also may be over-saturated, resulting in the digestion of time has been extended. After eating a late-night snack directly to bed is not conducive to digestion, will also increase the burden on the digestive system, resulting in bloating, acid reflux, nausea and other digestive discomforts; 2, affecting the quality of sleep: part of the population think that after eating a late-night snack to choose to go directly to bed to feel more comfortable, in fact, it is because with the intake of food, the elevation of blood glucose levels, the brain’s 5-hydroxytryptophan levels will increase, so that people feel calm, resulting in a feeling of euphoria, but In fact, this is not conducive to sleep. Because on the one hand, after eating late-night snacks directly lying down may induce digestive discomfort, on the other hand, the rapid peristalsis of the digestive system may affect the brain’s rest, and is not conducive to sleep; 3, leading to weight gain: often eat late-night snacks before bed may also lead to an increase in the total daily intake of calories, if not by increasing the amount of exercise to consume calories, which will result in excessive calorie intake, converted to fat, easy to lead to weight gain; 4, induced a variety of diseases: often eat a snack before going to bed, will affect the normal operation of the digestive system, endocrine system, easy to induce gastritis, gastroesophageal reflux, fatty liver, diabetes, hypertension and many other diseases. So often eat late-night snacking is not conducive to good health, it is recommended to develop a regular diet, go to bed early and get up early to avoid eating late-night snacks.