Generally speaking normal adult sleep time should be in 6-8 hours, wake up at 7:00 am and sleep at 11:00 pm is a more reasonable rest time, to be able to go to bed early and get up early is the most beneficial to health. But many people due to work, holidays and other reasons is difficult to do, and the actual situation and biological clock of each person is different. Therefore, first, to be regular; second, to feel comfortable in the body, in fact, as long as these two points are met, it is good sleep. Do not stay up late, do not drive at night, do not watch too exciting TV programs, do not read too many books, do not think about difficult problems before going to sleep, to ensure a good sleep, after the formation of the law will be able to wake up naturally.