Insomnia has the following reasons for weight loss: 1, reduced intake of food, patients with insomnia often have autonomic dysfunction, resulting in gastrointestinal digestion and malabsorption, with symptoms such as abdominal distension, belching, acid reflux, etc. Patients are often poor, eating less; 2, related to absorption disorders, autonomic dysfunction leads to less peristaltic movement of the gastrointestinal tract, reduced secretion of digestive juices, even if the amount of food eaten is normal, food can not be properly Digestion and absorption by the gastrointestinal tract, resulting in reduced nutrient intake; 3, related to increased discharge, patients with gastrointestinal hyperfunction may lead to nausea, severe vomiting and even with diarrhea. In this case, while actively treating insomnia, it is also necessary to add drugs to improve the function of the gastrointestinal tract, such as compound digestive enzymes and mosapride.