论文部分内容阅读
Enough sleep is one of the most important conditions when we want to keep in good health.It is found that a person who does not sleep dies faster than a person who does not eat. How much sleep do we need every day? People are different from each other.A baby needs 16 hours of sleep every day.During this period,sleep is even more important than food.Children of 6 to 12 need an average of 10 to 12 hours of sleep.An adult needs to sleep 7 to 8 hours a night.Some people need only 3 hours of sleep. Others may need 10 hours of sleep.After the age of 50,the average
Enough sleep is one of the most important conditions when we want to keep in good health.It is found that a person who does not sleep dies faster than a person who does not eat. How much sleep do we need every day? from each other.A baby needs 16 hours of sleep every day. During this period, sleep is even more important than food. Children of 6 to 12 need an average of 10 to 12 hours of sleep. An adult needs to sleep 7 to 8 hours a night.Some people need only 3 hours of sleep. Others may need 10 hours of sleep .After the age of 50, the average