The Strangeness Of Sleep  

作　　者：何明博 

机构地区：[1]辽宁

出　　处：《初中生学习指导》2022年第36期38-38,共1页

摘　　要：A strange thing happens to nearly everybody at night. They turn off the lights,pull up the covers and close their eyes. Six or seven sleeping hours later,they wake up again.Strange,isn’t it?Sleep puzzles scientists. Scientists and doctors would rather talk about why one can’t fall asleep. They are not sure what causes sleep.

关 键 词：STRANGE s. lights 

分 类 号：O57[理学—粒子物理与原子核物理]