Adjustment of sleep habits need to pay attention to the following aspects: 1, to ensure adequate sleep time, different age levels of the population for the sleep time requirements are different. For example, adults need about 7-8 hours, older people may be shorter, needing 5-6 hours, for children require more sleep time. Because the length of sleep required by each person is different, the standard of good sleep time is to be energetic the next day; 2, to ensure good habits. For example, do not have too many sleep activities during the day, do not nap longer than too long, generally control within 30 minutes is more appropriate, and then do not recommend having bedtime or weekend catch-up behavior, can sleep rhythm to maintain a more complete. In terms of diet, it is not recommended to eat more exciting food after 16:00 pm, such as coffee, tea, cola and other foods that can easily cause mental excitement. It is also not recommended to have a full meal before bedtime, which will also affect sleep; 3. It is recommended to maintain proper physical exercise, and often carry out appropriate exercise, but of course the exercise should be completed before 2 hours before bedtime is better. In addition, you should ensure that the temperature of the room is comfortable, the light should not have too bright white light, and try to avoid playing cell phones or computers before going to bed, because the white light of cell phones and computers can affect sleep.