Myth 1: The more sleep you get, the better for your health. Many people like to “catch up on sleep” on the double day off, but often later find that the double day off is not as good as the usual mental state. In fact, the length of sleep is not closely related to healthy sleep, everyone’s sleep time is not the same, individual differences, quality is more important than time, the most important thing is to maintain the regularity of life. Myth 2: Dreaming at night indicates that you are not well rested. Dreams are an ordinary physiological phenomenon, and every normal person will dream during sleep, about 4 times a night. However, if the next day’s mental state is good and normal work life, it basically indicates a good quality of sleep. Myth 3: Drinking alcohol can stimulate sleep. In reality, many people drink some wine before going to bed, thinking that this can quickly fall asleep, experts believe that this practice is not desirable. In sleep, the harmful substances in the wine metabolism in the body and accumulate, so that the body’s ability to adapt to decline; long-term drinking to help sleep will lead to insomnia instead. Myth 4: Sleep can store and advance. If the advance is an extra-long period of wakefulness, then it is equivalent to overdrawing life. Sleep compensation afterwards can only relieve the fatigue afterwards, but it cannot repay for the mental and physical energy overdrawn in advance and the resulting damage to the body. Myth 5: Sleep disorders are not diseases. Ten percent of people have varying degrees of sleep disorders throughout their lives. Insomnia can be eliminated or improved, but for a few people with sleep disorders, it may be a manifestation of some disease that has not yet manifested itself or has already appeared. Myth 6: The need for long naps. Napping for the sleep-deprived people is a certain amount of help. But the nap time should not be too long, to no more than 15 minutes is appropriate. But napping is not suitable for everyone, 20% overweight, blood pressure is too low, the circulatory system suffers from serious disorders of disease, often due to napping caused by local blood supply to the brain and stroke. Myth 7: Sleeping pills can not eat. Sleeping pills can quickly improve sleep conditions, accelerate sleep, prolong sleep or deepen sleep. In case insomnia cannot be recovered by natural adjustment or insomnia is one of the symptoms of other diseases, it is necessary and safe to take drugs under the guidance of a doctor. Self-guessing or hearsay about the adverse effects of sleep aid drugs and thus refusing to take them will only make the condition progress and worsen. Myth 8: Physical exercise is only good for insomnia. Physical exercise can be used as an adjunctive therapy for insomnia patients, but please do not exercise vigorously at night or before bedtime, otherwise, insomnia will be greatly increased due to increased brain excitability.