精选优质文档-倾情为你奉上九年级英语期末任务型阅读专项训练Beyond its influence on health, not getting enough sleep can lead to car accidents or other mistakes. Here are what sleep researchers have found about how to sleep.How much sleep do we actually need?It is known that all of us naturally need no less than eight hours of sleep per night. When we sleep below six hours per 24. were at an increased risk of health problems. Some of us think we can make up any of those hours lost during the week on the weeken
