Teenagers need 9 to 10 hours of sleep. An adult needs an average of 7 to 8 hours a day. There are some people who need only 3 hours of sleep; others need 10 hours of sleep. After the age of 50, the average sleep time goes down to 6.5 hours a day. We need less sleep as we...
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The amount of sleep we need changes over time from childhood through adulthood, and individual sleep needs can also vary based on several factors. However, experts generally recommend a certain target range for each age group. For adults, it's seven to nine hours. So what if you're on the...
Enough sleep is important to health. The amount of sleep needed depends on the age of the person and the conditions in which sleep takes place. The young may need more sleep than the old but usually eight hours are enough for the health of grown-ups. Some can do with less than this ...
Children of your age need hours' sleep every night If you do not go to bed early, you can not have enough sleep. Then you can not do your work well.Some people go to bed late at night and get up in the morning. This is not good for them. We must sleep at night. The dark ...
every day? Usually it changes with age, need 9 to 11 hours of sleep a day for those at for 8 to 10 hours a day. As for the 18- to hours' sleep a day.at about half of Chinese adults (成人) sleep less than 6 hours every night. The survey is from 6,168 July 1st to November...
aEnough sleep is import to health.The amount of sleep needed depends on the age of the person and the condition in which sleep takes place . The young may need more sleep than the old, but usually eight hours are enough for health of grown-ups. 足够的睡眠是进口到健康。睡眠需要的相当数...
sleep.Teenagers need 9 to 10 hours of sleep.An adult needs an average of 7 to 8 hours a night.There are some people who need only 3 hours of sleep.Others need 10 hours of sleep.After the age of 50,the average sleep time goes down to 6.5 hours a night.We ...
aEnough sleep is import to health.The amount of sleep needed depends on the age of the person and the condition in which sleep takes place . The young may need more sleep than the old, but generally eight hours are enough for health of grown-ups.some can do with less than this amount...
百度试题 结果1 题目Children of your age need ___A. ten hours’ sleep B. nine hours’ sleep C. twelve hours’ sleep D. eight hours’ sleep 相关知识点: 试题来源: 解析 A 反馈 收藏