今年3月21日是世界卫生组织确定的“世界睡眠日”。主题是“开启心灵之窗,共同关注睡眠”。日出而作,日落而息。人类的睡眠与劳作就像大自然的黑夜与白昼、太阳与月亮交替变换一样,遵循着一定的节律,而主宰这一节律的就是人体生物钟。正是这种生物节律使人体保持着 March 21 this year, the World Health Organization identified “World Sleep Day . The theme is ”open the window of the soul, pay attention to sleep ". Sunrise and sunset. Human sleep and workmanship are like nature’s darkness and daylight. As the sun alternates with the moon, it follows a certain rhythm, which is dominated by the circadian body clock. It is this biological rhythm that keeps the body in motion