1, not enough sleep Sleep deprivation is the most important cause of fatigue. Long-term lack of sleep can seriously affect physical and mental health. Adults should ensure 7~8 hours of sleep every day. 2, snoring Sleep time is important, sleep quality is more important, if you snore intermittently during sleep, it means that the phenomenon of apnea, always sleep apnea will affect the quality of sleep, which will lead to sleep deprivation. 3, eat too little Eat too little can also lead to fatigue, especially to ensure that the normal function of the body’s food intake is not enough. Try to avoid unhealthy food, a balanced diet can maintain blood sugar in the normal range, and thus avoid hypoglycemia symptoms such as unresponsiveness. 4, anemia Anemia is the main cause of fatigue in women. The cyclical blood loss during menstruation can lead to iron deficiency, putting women at increased risk of anemia. 5, depression Although depression is a mood disorder, it can also lead to many physical symptoms. If you feel tired and “down” for more than a few weeks, you should be alerted to the possibility of depression. 6, low thyroid function Why do you feel tired even though you have eaten enough and slept enough? There may be a problem with thyroid function, thyroid function is too low will lead to physical weakness, mental fatigue. 7, excessive caffeine intake moderate consumption of coffee has no significant impact on health. If the intake of excessive caffeine, or even addiction, there will be fatigue, depression and lack of concentration. Studies suggest that excessive intake of coffee can make some people more fatigued. 8, potential urinary tract infection If you have ever suffered from a urinary tract infection, but urinary tract infections do not always have a burning sensation and irritation symptoms. Sometimes, fatigue may be the initial symptom of a recurrence of a urinary tract infection. 9, diabetes For people with diabetes, blood sugar levels remain high and these sugars are not converted into energy in the cells, which can lead to a chronic feeling of fatigue. If you have chronic fatigue of unknown origin, get your blood sugar checked. 10, dehydration Your fatigue may be a symptom of dehydration. The body needs water to maintain its work and keep the body temperature. If you feel thirsty, you are already dehydrated, so drink water. Drink at least 1-2 glasses of water an hour, and if you do physical activity, drink more. 11, heart disease usually do some daily activities, you will feel fatigue, it is possible that the heart problems. If the attacks become more and more frequent, so that you can not complete the work as easily as before, it is better to go to the hospital to see a cardiologist. 12, shift work Night work or three shifts, will disrupt your biological clock. Sleepy at night but do not dare to sleep, but sleep during the day, of course, will feel fatigue. 13, food allergies If you have been drowsy, perhaps the occurrence of food allergies that are not easily detected. Especially after a meal fatigue will increase, you may be mildly allergic to a food you eat, although not enough to cause itching or hives, just to make you tired. 14, chronic fatigue syndrome or fibromyalgia syndrome If you have been consistently fatigued for more than six months and severe fatigue makes you unable to perform daily activities, you may have chronic fatigue syndrome or fibromyalgia syndrome. Unrelenting exhaustion is the most important symptom of both diseases. If you rule out several of these disease-related fatigues, the best relief option for mild fatigue is exercise. Studies have shown that healthy adults who often feel exhausted have their energy effectively replenished with moderate exercise. One study found that riding a stationary bike for 20 minutes, three times a week, is effective enough to combat fatigue if done consistently.