升学考试的成绩，常有令人大感意外的结果，原因在于学习效率的差异。一般人都认为花较多的时间用功的学生，成绩一定比花较少时间读书的学生好，其实不然。无足够睡眠的读书方式，是最不讲求效率的，不仅无法突破难关，甚至有导致成绩退步的可能。根据美国心理学家的调查，每 The result of the entrance examination is often a surprising result because of differences in learning efficiency. Most people think that students who spend more time working harder than students who spend less time reading are better than others. The lack of adequate sleep reading methods is the least efficient, not only failing to break through the difficulties, but may even result in a decline in performance. According to a survey of American psychologists, each