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You can never have enough of it, it seems. But what if you stopped sleeping altogether? Strangely, science understands relatively little about why we sleep or how it evolved in the first place. After all, lying unconscious for hours on end while predators lurk hardly seems advantageous or smart!
if we were to keep a record of all the things we worried about during a given period of time, we would discover, in reviewing them, that the great majority of our expected problems or troubles never come to pass...
1. — What were you doing at eight last night? 昨晚8点你在干什么? — I was taking a shower. 我在洗淋浴。 2. When it began to rain, Ben was helping his mom make dinner. 当开始下雨的时候,本正在帮他妈妈做晚饭。...
5. The boy is sleeping. 三、 1. I am playing with a yo-yo. 2. The cat makes me very angry. 3. Children are playing on the playground. 4. I like reading storybooks. 四、 1. What's she doing 2. What is Tom doing 3. Is he swimming 4. What are they doing 下载与使用...
Later he stopped working for the officer and opened a restaurant, which is now Juchunyuan Restaurant in Fuzhou City. The restaurant soon became famous and many people came to the restaurant. They were surpeised at the special smell of the dish. One poet wrote a poem(诗)about this dish....
Live with roommates? Have friends and family around you? Chances are that if you're looking to live a more sustainable lifestyle, not everyone around you will be ready tojump on that bandwagon. I experienced this when I started switching to a zero waste lifestyle five years ago, as I wa...
they have 8 hours of sleep,everything will be fine.But in fact,our bodies can tell time.They use light and temperature to do so.If we wake up too late,our bodies might not know if we are sleeping or awake.That's why sometimes we feel even more tired after sl...
s the time we typically dream. Breathing also becomes more shallow and less regular during this sleep phase. Some of it may be due to throat muscles relaxing. It may also be due to less movement of the rib cage during REM sleep. Whenever you’re sleeping, your oxygen levels are lower ...
Some young people may go to bed late and get up late,such as sleeping from 2 am to 10 am.They think as long as they have eight hours of sleep,everything will be fine. But in fact,our bodies can tell time.They use light and temperature to do so.If we wak...