Insomnia is mainly manifested as difficulties in falling asleep, waking up easily at night and falling asleep again, and maintaining little sleep time, etc. It is the final result of many complex factors. Adjustment of sleep can be started from the following aspects: 1. Improve sleep habits. Maintaining good sleep habits is the first step that must be taken. The length of sleep varies from person to person, you should not deliberately pursue the length of sleep, you can feel that your energy is restored, there is no need to have a psychological burden. In addition, adhere to exercise will help sleep, but to avoid bedtime within two hours. 2, pay attention to the impact of drugs. If you usually have often take drugs, check and carefully read the instructions to see that the drug has some kind of excitatory substances affect sleep. For example, take coffee, tea and other drinks containing caffeine in the afternoon, in addition to alcohol and tobacco is also exempt, because the nicotine in cigarettes will make people excited, alcohol will also disrupt sleep. 3, improve the sleep environment. Before going to bed at night must turn off the lights, pull the curtains, keep quiet, try to relax yourself, let go of all worries, you can try to take a hot bath or listen to soothing music. Don’t eat or drink a lot before bedtime, and don’t put yourself in a state of hunger. Reduce your psychological burden, find the source of psychological stress, try to solve the things you can’t let go of, and if necessary, get psychological counseling. If insomnia persists through these three adjustments, you can choose to take oral sedative-hypnotic drugs, but be careful to follow the principle of individualized and on-demand medication, and follow medical advice.