C) long sleepers sleep a longer period of time during the day
D) many long sleepers preserve their sleeping habit formed during their childhood
2. Many “short sleepers” are likely to hold the view that _____.
A) sleep is a withdrawal from the reality
B) sleep interferes with their sound judgement
C) sleep is the least expensive item on their routine program
D) sleep is the best way to deal with psychological troubles
3. It is stated in the third paragraph that short sleepers _____.
A) are ideally vigorous even under the pressures of life
B) often neglect the consequences of inadequate sleep
C) do not know how to relax properly
D) are more unlikely to run into mental problems
4. When sometimes they cannot enjoy adequate sleep, the long sleepers might ____.
A) appear disturbed
B) become energetic
C) feel dissatisfied
D) be extremely depressed
5. Which of the following is Not included in the passage?
A) If one sleeps inadequately, his performance suffers and his memory is weakened
B) The sleep patterns of short sleepers are exactly the sane as those shown by many mental patients
C) Long and short sleepers differ in their attitudes towards sleep
D) Short sleepers would be better off with more rest
答案：DCBAB
贝克尔和哈特曼报道说，“睡眠少的人”在未进入少年期之前，其正常睡眠时间大致与所需要的时间差不多。但到了15岁左右，由于学校、工作或其它活动的地压力，他们就故意地减少了夜间睡眠的时间。这些人持有这样的观点：夜间睡眠是一件令人讨厌的事情，打断了日常事务。
总的说来，这些“睡眠少的人”表现得雄心勃勃、积极活跃、精力充沛、无意识乐观豁达、立场坚定，对自己职业的选择胸有成竹。他们往往同时从事几项工作，或者一边上学读书，一边从事专职或兼职工作。其中许多人有强烈愿望，想在朋友和熟人面前表现得“正常”或“合群”。
当让他们回忆梦境时，“睡眠少的人”回忆不起什么来。更有甚者，他们似乎情愿什么都记不住。类似的情况是他们通常处理心理问题的方式：不承认问题的存在，希望只要忙忙碌碌，麻烦总会过去的。
“睡眠少的人”的睡眠模式与被划入疯子之类精神病患者的睡眠模式十分相似，只不过没有那么严重而已。
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