more quickly.Fun facts about sleep People sleep for about one-third (三分之一) of their lives. That’s about 20 years. People can take naps (小睡) with their eyes open. Koalas sleep about 20 hours a day ……

body clock (生物钟). The next day, you may find it hard to fall asleep.Fun facts about sleep•... 15 was World Sleep Day. It reminded us to think about our sleeping habits and try to get more sleep ……

more about sleep, as it’s still one of the greatest mysteries that scientists are currently exploring. Here are fun facts related to sleep. Let’s check out!Believe it or not, humans spend roughly one ……

How long do cats sleep? they sleep about 16 hours a day. ……

Rio 2016 Olympic Games里约奥运会All about the GamesMeet the star athletesAmazing BrazilSummer fun夏日乐翻天Insects we knowStars in the night skyFun fish factsTake the quiz to win a prize!“悦”读大赛 等你赢大奖！祝小 ……

, but it drops by 2 C at night. The drop starts about two hours before we go to sleep. During sleep, our... C at night. The drop starts about two hours before we go to sleep. During sleep, our body ……

are some interesting facts about bones.Bones are amazing. When you grow, they grow. When you break... are some interesting facts about bones.  Not everyone has 206 bonesNot everyone has 206 ……

bed covers late at night.  TUCHONGDon’t ‘sleep on’ these important facts and findings about sleeping! Don’t ‘sleep on’ these important facts and findings ……

as several amazing science experiments (实验). Millions of students on Earth watched and learned some fun facts... (实验). Millions of students on Earth watched and learned some fun facts about the weightless (失重 ……

sleeping? With World Sleep Day just having passed, let’s learn some fun facts about sleep!Do you... passed, let’s learn some fun facts about sleep!Do you know that humans spend about one third ……

? Let’s take a look!Amazing facts about the brainThe brain uses very little energy.Your brain uses...’s find out how amazing your brain can be.ARE you worried about all the words and rules you have ……

of sleep every night. For students aged 10 to 17, about eight or nine hours is healthy.Some people.... Exercise during the day.3. Don’t worry about the next day’s work. That will make it hard to sleep ……

findings about sleep.This year’s World Sleep Day fell on March 21. Sleeping is something we do every day, but how much do you really know about it? Let’s explore some of the new findings about sleep.Bedtime ……

SCIENCE tells us the truth about things. From how our bodies work to amazing facts about animals, you can always find the answers through science. Let’s take a look at some interesting facts.Why do ……

cold. It can also rock (摇动) a person to sleep. Isn’t that amazing?...这张床垫很贴心This bed is not just comfortable. It is also smart. It helps you sleep well. The bed is made ……