The clinical symptoms of circumferential discomfort when sleeping are usually due to the following reasons: 1. The most common reason is the manifestation of insufficient coronary artery supply and heart failure, at which time lying flat when sleeping will make the amount of blood returned to the heart severely insufficient, and thus the circumferential discomfort will be felt when sleeping. In addition, when the heart blood supply is not complete, it will make all the organs supplied by the heart circulatory function is reduced, so when sleeping there are also significant symptoms of discomfort and weakness around the body, such as changing the sleeping position, take a semi-sided position and sitting position will alleviate the above symptoms. 2, sleep discomfort usually have the clinical manifestations of ion disorders, such as endocrine diseases, hypokalemia and hyponatremia, due to ion disorders and lead to 3, in the sleep discomfort symptoms and hypoglycemia, especially nocturnal paroxysmal hypoglycemia, there will be sleep discomfort clinical symptoms and performance, accompanied by sweating, palpitations and other situations.