One third of a person’s life is spent in sleep. Sleep is a physiological and psychological process necessary for human life activities, people in a state of wakefulness to carry out intense work and social interaction, work and study after the resulting mental and physical fatigue and through sufficient sleep to recover, so that people maintain full of energy and a good state of wakefulness. It is only natural to be hungry and sleepy, but why are more and more people suffering from insomnia? The latest data so far shows that 38.2% of the world’s insomniacs are insomniacs. Some complain that they “sleep less”, some complain that they “dream more”, in short, insomniacs are not satisfied with the sleep time or sleep quality, which directly affects the social function and quality of life during the day. Among the patients with insomnia, it is found that due to the accelerated pace of society, some white-collar workers are in a state of high tension for a long time and do not realize the importance of releasing stress. In contrast to this is another part of people who do not have a career, such as career choice, waiting for a job, retirement, etc., will not be reasonable to arrange their lives, the anxiety generated by the loss, not timely release will drive the body, manifested as insomnia, headaches, fatigue, lack of concentration, memory loss, etc.. When the work efficiency and quality of life decreases, all the responsibility is attributed to insomnia, so the vicious cycle of insomnia – tension – insomnia is formed, and even in order to get a good night’s sleep early, forcing themselves to close their eyes tightly, but also asked the family not to watch TV, do not talk, do not walk, the result is a night of fighting, defeated at dawn. In fact, sleep is a natural need, there is no need to force yourself to sleep or not to sleep, because everyone has their own biological clock, different age has different sleep time, the same age also has different needs for sleep time, should comply with each person’s biological clock. About 3% of the world’s population are early sleepers and another 3% are late sleepers, except for the majority of people who usually fall asleep between 10:30 and 11:30 pm. There is no need to compete with your biological clock, especially not to go to bed early or late. If you are a late sleeper, forcing yourself to go to bed early will only aggravate insomnia or you will always stay in a light sleep stage. The most important thing is that you must go to bed immediately when you have the desire to sleep, so that the highest quality of sleep. The human brain does not rest during sleep, but only changes the way of activity, when you lie down to rest, the brain will take the information you see, smell and touch during the day to systematically adjust, reorganize and rectify, sleep is not a resting state of the brain, nor is it a process of central activity rest and calm. As long as you lie in bed is a good rest. But please make sure you don’t go to bed with bad emotions. When you are in a bad mood, you can go to bed after adjusting your emotions by looking for someone to talk to, singing, listening to light music, exercising, etc. You will be healthy and have a good sleep. There are five main types of causes of insomnia, and as long as the causes are found, the cure rate can be more than 90 percent.