Enough sleep is important for us to keep . Do you have a good sleeping habit? Here some good ways.
First, you should have enough sleep. It's good for your mind and . Experts (专家) say that little kids should get at ten to twelve hours of sleep a night. Teenagers (青少年) may need than nine hours of sleep. It is for adults (成年人) to sleep less than seven hours. parents want teenagers to go to bed early, most of them spend time playing computer games at night. Then, fresh air is also important for us to sleep well. We should open the window over two or three a day to let fresh air in. A good sleeping habit can help us sleep better.
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