Being too sleepy during the day is a manifestation of sleep disorder, which may have the following reasons: 1, poor sleep at night, or short sleep time, or sleep apnea, that is, snoring and intermittent breathing during sleep, affecting sleep quality; After a long time, the biological clock is out of order. 2, fatigue, lethargy, accompanied by dizziness, unconsciousness, may be the performance of early neurasthenia. 3, insufficient nutrition: energy intake is reduced, and insufficient nutrition can easily lead to drowsiness and love to sleep. Supplementing protein will improve sleepiness. 4. Other disease factors: 1) Obesity: Being overweight can also lead to excessive sleepiness during the day; 2) Depression: It may be the main cause of excessive sleepiness during the day. People with depression are three times more likely to feel too sleepy during the day than normal people. 3) Diabetes: Excessive daytime sleepiness is closely related to diabetes. Diabetics are almost twice as likely to be sleepy during the day as others. 4) Hypothyroidism: Patients with hypothyroidism often have drowsiness due to low basal metabolism. Therefore, if lethargy or lethargy occurs, the above reasons should be found first, and blood sugar and thyroid function tests should be done when necessary to rule out pathological reasons. For those who have no obvious reason, there is no need to worry. The main ways to eliminate drowsiness are: 1, readjusting the pace of life: there is a nerve center in the brain that manages time, the so-called biological clock. Work, study, activities, entertainment and diet should have certain rules, develop good living habits and avoid the disorder and imbalance of biological clock. Therefore, we should concentrate on our work during the day, take a nap at noon and ensure the quality of sleep at night, so as to readjust the disordered biological clock and be energetic during the day. 2. Strengthen physical exercise: Exercise can regulate and improve the process of brain excitement and inhibition, regulate brain function and promote the recovery of brain fatigue. In addition, exercise can obviously change people's mood. Persisting in long-term exercise can enhance physical fitness and is conducive to the establishment of normal biological clock order. According to your own situation, set a goal for your work or study and give yourself a little pressure, so that you will have the motivation and interest to work or study. You will feel that time flies and life is full and meaningful. In addition, you can arrange or participate in some interesting activities, so that you won't feel sleepy during the day.