有关睡眠不足的

　　With the development of the modern society .more and more people have difficulty in sleeping.someone may take some sleeping pills.But almost it doesn't work. 

　　A famous doctor ever said that sleeping problem would be an important thing.As the doctor said.If you can't sleep well,you'll not concentrate on everything.Also you will lost the intrest in everything.It is sleeping pills that could help you with sleping.But it could cause many other changes in your body.
　　on average.60 per cent people has the problem.To solve the problem in a healthy way is usefull such as take exercise、have good deals and so on.If you follow this advice,you will have a good body.Believe yourself you can do it.