If the body appears sleepy and weak and drowsy more, you should exclude the case of sleep disorders, if there is insomnia will certainly appear the above symptoms. It may be caused by psychological factors, if the patient is in a state of tension, often feel very anxious or work pressure is particularly high, mental exhaustion and other factors can also cause. There may also be systemic diseases, such as obstructive sleep apnea hypoventilation syndrome, diabetes mellitus, anemia or hypothyroidism, hyperlipidemia, arteriosclerosis and other diseases. The causes of these diseases are mainly due to excessive physical exertion or overuse of the brain. Therefore, the main treatment should be psychological adjustment, coupled with daily life intervention, supplemented by dietary adjustment, taking nerve-nourishing drugs, can achieve better treatment results.