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That’s quite a challenge then! He says classes have to be engaging, so interesting and exciting, to stop students getting sleepy and lacking in energy – the word he used was lethargic.
那是一项挑战。他说课堂必须得生动有趣、积极参与，以避免学生迷糊犯困、缺乏精力。在这里，他用到了lethargic（昏睡的，无生气的）一词。
Yes, this research looked at the link between the amount students sleep and their test results.Not surprisingly it found children with more sleep achieve higher test results in maths, science and reading.Now maybe there is a lesson there for all of us – I think I’ll just shut my eyes, Rob, and have 40 winks.
没错，此项研究还探索了学生睡眠时间与测试结果间的关系。不足为奇的是，睡眠更多的儿童在数学、科学和阅读中得分更高。这么说咱俩得吸取教训了，Rob，让我闭会眼睛，小憩一下吧。
You mean a short, light sleep? Can you wait until the end of the programme please?Scientists believe the lack of sleep causes your brain to run on empty. It struggles to absorb and retain ideas.
你想睡一小会？别这样啊，等到节目结束行吗？科学家认为缺乏睡眠会逼迫大脑在无活力时继续吸收、保留想法。
Actually, scientists say that there are more serious problems with students staying up late before they hit the sack - or got to bed – as we can hear from the BBC’s Jane O’Brien. Can you identify what they are?
事实上，科学家称学生在睡前熬夜会引起更严重的问题。那么是什么问题呢？请听BBC记者Jane O’Brien的报道。
Here at the Children’s National Medical Centre, doctors are seeing more and more sleep-deprived kids, and it’s not just affecting their school work.It’s linked to obesity, mood swings and behaviour problems. In fact it’s putting their long-term health at risk.
我们现在位于国家儿童医疗中心，医生表示睡眠不足的孩子越来越多，这不仅影响了他们的学校生活，还可引起肥胖，导致情绪波动、行为异常。事实上，他们的长期健康正受到影响。
So, the lack of sleep can also lead to health problems such as obesity – that’s when someone is dangerously overweight – and to mood swings – that’s changes in how someone feels or behaves. So, what is the solution to all of this?
报道称，缺乏睡眠可导致健康问题，如肥胖症（某人危险超重）、情绪波动（某人的情感或行为发生变化）。那么有什么解决方案呢？
Well the school day in some countries start later, allowing teenagers a bit of a lie in.And others have a break in the afternoon – like a siesta. But the real solution is for students to turn in – or go to bed – earlier.
某些国家的学校开课较早，因此可给学生点休息时间。还有其他学校提供午觉。但真正解决办法是让学生早点上床睡觉。
This research has also highlighted another problem. Because teachers are simplifying their lessons to take account of the tetchy – or grumpy – students, there’s concern that pupils who are getting enough sleep are losing out in these adjusted lessons.So everyone suffers. OK, well before I go for a lie down please could you let me know the answer to today’s question, Rob?
研究同时强调了另一个问题。教师考虑到易怒学生的存在会简化课程，这便让那些睡眠充足的学生在已调课程中遭受损失。所以说大家都是受害者。好了，Rob，在我去小睡前，你能把今天问题的答案告诉我吗？
Of course. Earlier I asked you about Randy Gardner, who holds the world record for the longest period of time without sleep. I asked you if you knew how long he stayed awake for?
当然可以。我刚刚问你，最长时间没睡觉的世界纪录保持者Randy Gardner到底多久没睡觉？

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