题型:任务型阅读 题类:常考题 难易度:普通
福建省南平市2018-2019学年高二上学期英语期末考试试卷(含小段音频)
Many effects of a lack of sleep, such as being bad-tempered and not working at your best, are well known.Regular poor sleep puts you at risk of serious medical conditions, including obesity and heart disease, and it shortens your life expectancy.
How much sleep do we need?
But some need more and some less. What matters is that you find out how much sleep you need and then try to achieve it. As a general rule, if you wake up tired and spend the day longing for a chance to have a nap, it's likely that you're not getting enough sleep.
An occasional night without sleep makes you feel tired and irritable( 急躁易怒 ) the next day, but it won't harm your health. After several sleepless nights, the mental effects become more serious. Your brain will- fog, making it difficult to concentrate and make decisions.
How to catch up on lost sleep?
If you don't get enough sleep, there's only one way to compensate (补偿) —getting more sleep.
If you've had months of limited sleep, you'll have built up a big sleep debt, so expect recovery to take several weeks.
Starting on a weekend, try to add on an extra hour or two of sleep a night. The way to do this is to go to bed when you're tired and allow your body to wake you in the morning (no alarm clocks allowed!).
A. What happens if we don't sleep?
B. Why is a good sleep vital for a long life?
C. It won't happen with a single early night.
D. If it continues, lack of sleep can affect your overall health.
E. However, the cost of all those sleepless nights is more than those.
F. It's now clear that a solid night's sleep is essential for a long and healthy life.
G. Most of us need around 8 hours of good-quality sleep a night to function properly.
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