.For the study, 35 young volunteers were asked to sleep in a sleep lab for several days. Meanwhile... brains were more active than the right brains and people had a hard time sleeping. However, left ……

position to sleep in, comfort is key,” Harris told Science Alert. “If you’re in pain or uncomfortable...How do you get a good sleep?A very old saying has it that “early to bed early to rise” makes us all ……

动物的睡眠（上）
We sleep in beds that are warm and soft. Where and how do animals sleep? 动物睡觉的姿势真是千奇百怪！African elephant 站着睡得香When it is time to sleep, I will go and find a tree. 靠树站着睡得最香！It's cool and safe sleeping ……

a balance between work and life seems to be the key to helping us feel energetic, healthy... to check the latest updates (更新) on your QQ space or not. “What if human beings didn’t need to sleep ……

Find a balance in your lifeOne summer day, a grasshopper (蝗虫) was jumping, singing and enjoying....”“Why worry about winter?” said the grasshopper. “We have a lot of food right now.”But the ant went ……

. _______. Don’t be 2. ______. If you deal with (处理) it in the right way, you can get through it soon... talk to your teachers or friends about your 5. _______, and ask them for help. Key: 1. problem 2 ……

the right to moonlight. Moonlighting is good for self-perfection. The key point is our government...LAST week's topic: What's your attitude toward moonlighting and how would you balance ……

turning off cell phones and computers. And that’s the key to eight-plus hours of sleep each night..., according to a new study from America’s National Sleep Foundation.The study shows that the use ……

the right balance. Make a realistic plan of how much work you want to do and then schedule (安排...Dear Editor,Every night before sleep, I have a lot on my mind. I complain about myself. I want ……

. Let''s make sure we get the balance right.Key wordscover v. 覆盖，经过 (travel across or pass over... not stop to eat or sleep. Days passed. He grew tired, but still he rode on. He wanted that land so much ……

it stays in your mind? The best way is to go to sleep right away, scientists suggest.The idea comes... to run on a spinning (旋转的) stick, training them to keep their balance. With each new skill learned ……

key: ……

.Write down key points.Set a target (目标).Teach others.Reward (奖励) yourself.Get enough sleep...? Congratulations, you could be right, at least (至少) with learning new things. Scientists say kids learn new ……

SINGER Rene Liu (Liu Ruoying) will wear pajamas and invite audiences to "sleep walk" to her music... a balance in life, and we can only gain freedom in our dreams," Liu, explains about her inspiration ……

can create your cities in every detail, and find the right balance between economic development ……