如果希望“小睡”能有“大睡”的效果,最好能一次睡60到90分钟。哈佛大学莎拉·梅德尼教授领导几位心理学家测试发现,午睡1小时至90分种之后的视觉学习能力比不睡者高许多。研究报告中甚至说“从行为改善的角度来看,午睡在直觉印象的学习上,跟晚上安枕一样同样有用。”午睡也使 If you want to “nap” to have a “sleep” effect, it is best to sleep 60 to 90 minutes at a time. Professor Sarah Medney from Harvard University led several psychologists and found that visual acuity after a nap of 1 hour to 90 minutes is much higher than that of non-sleepers. The research report even states that “From the point of view of behavior improvement, naps are as useful as studying at night in the learning of intuitive impressions.”