英语翻译We sleep,we have meals and we rest.They are necessery and will take a lot of time.Then how can we spend the rest of the time?

We have about five periods of rapid eye movement sleep during the night.的英语翻译 We have 英语翻译 英语翻译we have friends ..... 英语翻译we only sleep about three hours a day.and we sometimes sleep standing up. Go and have ()before we set outa.some sleep b.the sleep c.sleep d.a good sleep why are we sleep? why we must sleep 英语翻译we have music lessons 英语翻译We have hats ______________. 英语翻译We sleep,we have meals and we rest.They are necessery and will take a lot of time.Then how can we spend the rest of the time? Why do we need sleep why don't we sleep? We often have to stay up for our study though we to ——（told) to have enough sleep. 英语翻译there must be few questions on which responsible opinion is so utterly divided as on that of how much sleep we ought to have have we 英语翻译A healthy lifestyle If we want to keep fit,we must have a healthy lifestyle.But how could we get a healthy lifestyle?I think ,on the one hand,we should get enough sleep,only in this way ,we could have enough energy to study,on the other h 英语翻译what time we have dinner? 英语翻译If we have a/b