写一篇英语作文,80词,

A good sleep can make people healthy both in the body and in mind.According to the scientists,a baby should have a sleep over 16 hours,and 9-10 hours for teenagers and 6-8 hours for adults.But because of the busy work and study in the modern society,everybody is facing with great pressure from different aspects.We are short of time to relax ourselves,even we have not enough time to sleep.Gradually,you will find that more and more people are getting ill.That is called the modern illness caused by modern life.After we have the World Sleep Day,we should pay more attention to the sleep at night and the quality of our sleeping.At least,everybody needs to be healthy.