The possible reasons for being sleepy all the time are as follows: 1. It may be caused by cerebral hypoxia, causing cerebral hypoxia clinically common diseases, including hypertension may cause hypertensive encephalopathy, patients can appear, while patients may also appear to have increased intracranial pressure, which can be manifested as headache, nausea, vomiting, mainly to lower blood pressure treatment, if necessary, can be given to lower cranial pressure treatment and improve brain metabolism treatment, blood pressure lowering drugs are generally used Amlodipine and Irbesartan, cranial pressure lowering treatment mainly apply mannitol and glycerol fructose, improve brain metabolism drugs apply Olacitant, Piracetam and cytidylcholine, etc. 2, may be caused by chronic cerebral blood supply deficiency, mostly seen in middle-aged and elderly people, patients may have a history of hyperlipidemia, diabetes and hypertension, can take oral Cipro, Ginkgo biloba drops to improve blood circulation treatment, at the same time to control The patient’s blood pressure, blood sugar and blood lipids, etc. 3. snoring patients, severe lack of oxygen at night, resulting in daytime sleepiness.