Being able to sleep can be a precursor to sleep deprivation, hypoglycemia, anemia, insufficient blood supply to the brain, Alzheimer’s disease, depression, and other conditions. 1. Sleep deprivation. Patients are sleep deprived and experience frequent sleepiness and sleepiness during the day. Improving poor lifestyle can improve sleep. 2. Low blood sugar. Hypoglycemia may occur when excessive diet control or improper use of hypoglycemic drugs is used, and may be manifested as drowsiness in the elderly. Eat sugary foods or give glucose intravenously at the onset. 3. Anemia. When iron deficiency anemia occurs, the patient may show symptoms such as being able to sleep and general weakness due to a decrease in the amount of oxygen in the blood. Take ferrous fumarate and ferrous succinate. 4. Depression. At the onset of this disease, the patient will be able to sleep and be indifferent to the people and things around him. Paroxetine, sertraline, etc. are mainly given orally. 5. Insufficient cerebral blood supply. Due to severe atherosclerosis of cerebral arteries and narrowing of blood vessels, cerebral blood supply is insufficient, which is manifested as dizziness of being able to sleep, numbness and weakness of limbs and other symptoms. Take atorvastatin, simvastatin and other drugs anti-atherosclerosis. Aspirin, clopidogrel and other anti-platelet aggregation. 6. Alzheimer’s disease. Elderly patients show that they can sleep, accompanied by memory loss, slow reaction and other symptoms do not exclude and this disease is related. The use of fenelaxetam and olaxetam to improve the patient’s memory, donepezil, etc. to improve cognitive ability. If there is any discomfort, immediate medical attention should be sought, and medications should be taken under the supervision of a physician.