1, do not over-consider the time of sleep The time and quality of sleep varies from person to person, the time of sleep varies from age to age, the reasonable amount of sleep should be able to relieve fatigue, keep the spirit happy, can well carry out a day of work and study as the standard. On the contrary, if the amount of sleep is over-considered, often due to less than half an hour of sleep and distracted, the formation of psychological disorders. 2, pay attention to eating habits too much dinner or sleep on an empty stomach, will affect the sleep of people. Before going to bed to eat some dairy products or a glass of milk to help sleep. Avoid drinking alcoholic beverages including beer and other liquors before going to bed. Although alcohol can make people drowsy, it will affect the quality of sleep; when the calming effect of alcohol passes, people will immediately wake up. In addition, drinks containing caffeine, such as coffee, tea, cola drinks and chocolate, because of the excitatory effect on the human brain nerves, it is best not to drink before bed. 3, relaxed mood before going to bed should avoid stimulating work and entertainment, and do not engage in overly stressful mental activities. Do some relaxation activities, such as a hot bath, read some recreational books, newspapers, watch relaxing TV programs, listen to soft lyrical music, will be beneficial to sleep. Can also be used to close the eyes into the quiet method, that is, after going to bed, first close the eyes, and then open the eyes slightly a slit, keep some contact with the outside world, although the mental activities are still operating, but the sympathetic nerve activity tension has been greatly reduced, inducing the body gradually into a sleepy hazy state.