What diseases can be caused by snoring (snoring)? If sleep apnea recurs for a long time, it can cause a series of serious diseases: 1. cardiovascular diseases: hypertension, coronary heart disease, arrhythmia, pulmonary hypertension, pulmonary heart disease. 2. 2, the nervous system: cerebrovascular disease, excessive drowsiness, mental retardation, personality and behavior abnormalities. 3, endocrine system: decreased libido or impotence, increased obesity. 4, hematological system: erythrocytosis, increased blood viscosity. 5.Renal hypofunction: increased nocturia, proteinuria.