sleep

Sleeping is very important for everyone and it decides your health. So, we should have a good sleep and how to get a good sleep? In my opinion, the length of sleep is the most important but how long we should to sleep. According to the expert report that people have to sleep at least 8 hours a day. The length can promise you can have enough energetic to work and study. Sleeping also have the difference of degree. Among all the night, we only have one fourth time to enter the deep sleep. And deep sleep is the most important for everyone and this can let you recover body and mind. So, we can not let the work take up our sleep time. We should keep enough sleeping every day