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Sleep [audioFiles]2013q2/audio_ezfj_003_20133[/audioFiles]
Sleep [audioFiles]2013q2/audio_ezfj_003_20133[/audioFiles]
游客
2023-11-14
13
管理
问题
Sleep
选项
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.
解析
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