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Celebrating sleep
World Sleep Day, observed on 21 March, was created to bring attention to the growing number of sleep problems worldwide. Sleep is a natural part of human life, but many people in the modern world ignore its importance. As a result, sleep problems are increasingly common.
In 2002, scientists at the University of Athens in Greece conducted a survey of over 35,000 people in 10 countries around the world, including China, Belgium and South Africa. Of the people that responded to the survey, 24 percent said that they did not sleep well, and based on their responses, 31.6 percent were diagnosed(诊断) with insomnia(失眠) and another 17.5 percent were diagnosed with borderline insomnia. In addition, 30.7 percent of survey respondents reported visiting a doctor for help with sleep problems and 11.6 per cent said that they felt very sleepy during the day.
Overall, the survey found that many people suffer the effects of poor quality sleep, some examples of which are being unable to fall asleep and waking up in the middle of the night. The main factors causing these problems are pressure from school or work and a fast pace of life, but noise pollution and light pollution also interfere with sleep and contribute to poor quality sleep. The survey’s findings are particularly troubling because large numbers of people were found to have difficulty sleeping at night. The short-term effects of this are tiredness and trouble concentrating. If this happens for a long time, the risk of gaining weight and having a heart attack may increase.
There are many things you can do to improve the quality of your sleep. First, you should have regular sleep habits. Try to go to bed and wake up around the same time each day. You also need to make your bedroom a cool, dark, quiet place to sleep so that heat, light and noise do not disturb you. At night, you should also avoid things that contain caffeine, such as chocolate, coffee, tea and many soft drinks, as caffeine may keep you from sleeping.
Getting a good night’s sleep is important for everyone. By following the advice above, you can rest better at night and work better during the day.
Title: Celebrating Sleep

Topic	Context
World Sleep Day	● Due to ignorance of sleep problems, people observed Mar. 21, World Sleep Day, bringing attention to the  83  of sleep.
Responses of the  81	● Of 3, 5000 people in 10 countries in the world, there were 24 percent of the people saying they didn’t sleep well. ● 31.6 percent were diagnosed with insomnia and another 17.5 percent were diagnosed with  84  sleeplessness. ● The percentage of the people feeling   85  during the day is 11.6. ● 30.7 percent reported  86  to a doctor for sleep problems.
Factors causing sleep problems and their consequences(结果)	● Under  87  from school or work, people may have sleep problems. ● A fast pace of life causes sleep problem as well. ● Poor quality sleeps also  88  from noise or light pollution. ● There is much   89  that sleepless people easily gain weight and have a heart attack. ● Feeling tired and sleepy, people find it hard to concentrate.
82  to improve sleep quality	● Have regular sleep habits ● Make your bedroom cool, dark and quiet ● Avoid things  90  caffeine.