Some chronic diseases commonly suffered by the elderly, such as high blood pressure and heart disease, will show characteristic symptoms in the early morning. Wang Kai, Chief Physician of Geriatrics Department of PLA 305 Hospital, pointed out that observing the activities and mental state of the elderly in the early morning can reveal the early symptoms of some diseases. Early waking insomnia: Some elderly people wake up at 4 or 5 a.m. and are tired and sullen, although they do not feel sleepy. This phenomenon may be a manifestation of depression or psychological disorder. Elderly people with this symptom, should promptly go to the hospital for medical treatment, family members should also be more with the elderly communication, exchange. Facial swelling: Waking up early in the morning with obvious swelling of the head and face, especially the eyelids, is generally a sign of kidney disease. It may also be accompanied by mild generalized swelling, which will gradually disappear after getting up and moving around. Generalized and lower extremity edema: Edema caused by heart disease is mainly generalized and lower extremity edema. However, it will not disappear soon after waking up and will be accompanied by symptoms such as chest tightness, panic and shortness of breath. Dizziness: Dizziness or lightheadedness after waking up in the morning may be due to cervical spondylolisthesis or increased blood viscosity. Cervical spondylolisthesis will compress the vertebral artery, affecting the blood supply to the brain; and when blood viscosity increases, blood flow slows down, blood oxygen content decreases, and blood supply to the brain is also affected.