Hair swelling drowsiness how, many people will have such an experience, hair swelling, drowsiness, may be due to the patient’s poor sleep, insomnia, sleeplessness, or stay up all night after the hair swelling, drowsiness, drowsiness, and the patient’s poor sleep has a direct relationship. Because of poor sleep, the body and brain fatigue are not recovered, brain nerve dysfunction, patients will show symptoms of hair swelling, dizziness. Elderly people with hair swelling and drowsiness may be caused by elevated blood pressure and fluctuations in blood pressure, and it is recommended that blood pressure be measured to clarify the situation. A part of the elderly have chronic cerebral blood supply insufficiency and other diseases, cerebral blood vessel narrowing, cerebral arteriosclerosis, cerebral blood viscosity, it will lead to the appearance of the swelling of the head, lethargy and drowsiness symptoms. You can consult the hospital for transcranial Doppler, cervical blood vessel ultrasound, blood lipids and blood glucose tests for clarification.