Being sleepy and drowsy all the time may be a sleep disorder that can be caused by a variety of factors. If the patient has insufficient blood supply to the brain, it may cause ischemia and hypoxia in the brain, and in severe cases, the patient can develop sleep disorders, as well as memory loss and inattention. The main treatment is to improve cerebral metabolism by taking oral olanzapine, piracetam, and cytidylcholine. If the patient has hypertension and the blood pressure is too high, it may cause hypertensive encephalopathy. The patient may have increased intracranial pressure, which manifests as headache, nausea, vomiting, and may also have drowsiness. The main thing is to actively control the patient’s blood pressure, generally apply calcium antagonists, commonly used drugs including levamlodipine, amlodipine besylate, also apply nifedipine extended-release tablets and nifedipine controlled-release tablets, also apply irbesartan, valsartan, etc., and also improve brain metabolism treatment. If the patient has long time mental tension and stress, it may also cause, should relax and reduce stress.