Always sleepy every day, always want to sleep, first of all, to review their lifestyle is healthy, some people work, life is stressful, stressful, no regular work and rest, lack of adequate sleep. Irregular diet, such as spicy, various high oil, high sugar diet, even smoking, and heavy alcohol consumption can have similar symptoms. By making lifestyle changes, it is possible to relieve many people from being sleepy or always wanting to sleep. If it lasts for a long time and affects the quality of life, you should go to the hospital for a detailed examination. Doctors will consider whether there are poor sleep habits, such as insufficient sleep at night or irregular sleep schedules. Some sleep disorders, such as sleep apnea syndrome, are short periods of respiratory arrest during sleep. There are also episodic sleep disorders, where the person is very sleepy during the day and sometimes falls asleep suddenly in the middle of normal activities. Chronic difficulty falling asleep or waking up early, which is also known as severe insomnia, can also cause daytime sleepiness and a constant desire to sleep. Certain diseases, like hypothyroidism, do not provide the body with adequate amounts of thyroid hormone, because this hormone controls the body’s storage and utilization of energy. A lack of thyroid hormone can cause daily sleepiness and the desire to sleep. Both men and women who have hypogonadism can likewise cause always very tired and easily want to sleep. Then, it is important to pay attention to certain specific, like factors that prevent sleep, such as sleepy environment at night or certain restless leg syndrome or night cramps, frequent night shifts, changing time zones, and certain medications, which can cause sleepiness always wanting to sleep. If the doctor’s detailed examination does not reveal any obvious disease, more importantly, he or she may also recommend the development of a scientific lifestyle.