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  3. Sleep [audioFiles]2013q2/audio_ezfj_003_20133[/audioFiles]

Sleep [audioFiles]2013q2/audio_ezfj_003_20133[/audioFiles]

游客2023-11-14  46
问题 Sleep
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答案                                 Sleep
    Why is it so difficult to fall asleep when you are overtired ? / There is no one answer that applies to every individual. / It is possible to feel " tired" physically / and still be unable to fall asleep, / because while your body is exhausted , / you do not feel sleepy. / It is not so easy to simply " turn off"./
    Lack of sleep complicates matters even more. / Experts say adults need at least seven to eight hours of sleep a night / to function properly. / When you get less sleep than that on consecutive three nights, / you begin to owe four " sleep debt". /As sleep debt increases your body experiences a stress response. / Now a vicious cycle has been created: / You experience the feeling of being more and more tired, / but your body is increasingly stimulated. / " Power sleeping" for more hours on weekends is only a temporary solution. / There is no substitute for getting a good night’s sleep on a regular basis.
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