Drowsiness in women in their 50s may be caused by mental illness, brain disease or systemic diseases. If you are drowsy, you should go to the hospital in time to find out the cause and treat the cause. A. Psychiatric disorders are stressful for women in their 50s, and certain mental disorders, such as depression, can lead to drowsiness, lack of energy and motivation. Second, brain diseases such as having narcolepsy or cerebral artery stenosis, resulting in ischemia and hypoxia in the brain, or tumors in the brain, can lead to narcolepsy in the early stage. It is necessary to find the exact cause of the disease after imaging and to carry out cause-specific treatment in order to change the narcolepsy. Systemic diseases 1, hypotension: will cause insufficient blood supply to the brain, which will cause hypoxia and drowsiness; 2, anemia: usually the human body has anemia, which will lead to a decrease in the amount of hemoglobin in the body, which will affect the oxygen supply to the brain, and drowsiness will occur; 3, metabolic diseases: such as diabetes, hypothyroidism, etc., will also cause drowsiness.