Dampness in the spleen and stomach will affect the function of the spleen and stomach, and according to traditional Chinese medicine, “if the stomach is not in harmony, one will not be able to lie down”, which may lead to insomnia. When dampness obstructs the spleen and stomach, it will affect the function of the spleen and stomach, resulting in symptoms of gastric discomfort, such as fullness in the stomach and epigastric region, loss of appetite, fatigue, loose stools, etc. When the symptoms are obvious, it will seriously affect the quality of sleep, and then insomnia symptoms may occur. In addition to the symptoms of insomnia caused by dampness in the spleen and stomach, the etiology of insomnia also includes liver fire disturbing the heart, phlegm-heat disturbing the heart, deficiency of the heart and spleen, heart-kidney disorders (heart fire, kidney yin deficiency, and dysfunction of the physiological functions of the heart and kidneys), and deficiency of heart and gallbladder qi. When the symptoms of insomnia appear, it is necessary to consult a doctor in time, and actively search for the specific causes of insomnia and standardized treatment.