文档介绍：Are you a night owl
小组人员：
张帆，许丹丽，信管三班
2013/04/11
张帆 许丹丽 信管三班
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As the continually development of society ,the paces and level standard of life have also changed many of young people enjoy night-life ,which is all cakes and ale /eil/, and is full of recreational activities such us online games and movie watching etc [ɛt' sɛtərə]，which leads to the number of hours those guys sleep per day just out 5 or 6 hours a day，or even less. As a matter of fact,There are many serious health hazards associated with staying up late.
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What are they？
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Hazards of staying up late
1、loss of sleep can make you ‘Feel faint ’（头昏脑涨）and get ’ s worse,you may lose your concentration of memory and immunity（免疫力）.
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Hazards of staying up late
2、A person without enough sleep will be easier to feel depressed or in low spirits ,which will be more vulnerable to nerve disorder diseases such as colds, gastrointestinal [ˌɡæstroʊɪn'testɪnl] diseases, allergic [ə'lɜːrdʒɪk] diseases.
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Hazards of staying up late
3、Staying up for a long time may also leads people to experience insomnia [in‘sɔmniə] ，irritability [.iritə’biliti] (易怒的），forgetfulness, [fə‘getfəlnis] ,anxiety,[æŋ’zaiəti], nervousness and other symptoms of subhealth.
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Hazards of staying up late
4、As we know, the best period for people to beauty is 11:00 to 3:,besides,it is best for Gallbladder  ['gɔ:ædə] and liver to take enough rest. If not , there will be some symptoms reveal on the skin.
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But currently，people can not avoid to stay up,
so，
what can we do to do minimum damage to body after staying up late?
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The most effective measure is making up for the loss sleep. Even take a nap for ten minutes also might play a role.
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Besides, people can Play badminton, walk outdoors and do other outdoor exercises.
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