There may be several reasons why patients feel drowsy and not awake all day long: Firstly, if patients often stay up late, do not get enough sleep or have low quality sleep, it will lead to patients feeling drowsy, inattentive, memory loss, and their bodies are in a relatively tired and weak state during the day. The second aspect is that patients who are drowsy and not awake all day may have cerebral atherosclerosis and chronic cerebral blood supply deficiency. The brain cells and brain tissues will feel drowsy and unconscious when they are in a state of chronic ischemia and lack of oxygen. The third aspect is that the above symptoms may also be related to mental and psychological factors, which are caused by plant nerve dysfunction, such as the patient’s emotional anxiety, tension, and lack of interest in many things, which may also manifest as drowsiness and lack of wakefulness. Patients may also have symptoms of muscle pain, heartburn, chest tightness and shortness of breath.