Well, let's hear what Professor Jerome Siegel, from the University of California, found when he studied the sleep habits of three different hunter-gatherer communities who have very little contact with modern society.
讓我們來聽聽加州大學的教授 Jerome Siegel 在他研究三種來自不同的狩獵採集社群,但都與現代社會接觸極少的人們的睡眠習慣時,發現了什麼現象。