“你一天睡几个小时”“需要多久才能入睡”“半夜一般醒几次”“白天是总觉得困吗”……在最近发表的研究进展中,研究人员向200名不同年龄段的人提出了以上这些问题,以便研究睡眠的重要性。该研究的调查对象包括18~29岁、30~60岁、60岁以上3个年龄段,调查早在1967年就开始了,一直持续到现在。通过漫长的研究,研究人员得出结论,年轻时保持良好的睡眠习惯,对记忆和大脑健康 “How many hours do you sleep a day?” “How long does it take to fall asleep?” “How often do you wake up midnight?” “Is it always sleepy during the day?” In a recently published study, These questions were asked by 200 people of different ages in order to study the importance of sleep. The survey included 18-29 years old, 30-60 years old and over 60 years old. The survey started in 1967 and continues till now. Through lengthy research, the researchers concluded that keeping a good sleep habit when young, and memory and brain health