公鸡为何会打鸣报晓?人为什么会按时醒来?这似乎是自然现象,不足为奇。正因为这种现象太普通、太平常,也就很少有人去问这是为什么。生物科学已研究证明,这是“头部时钟”在准确地控制着睡眠与清醒的规律。一旦失去控制,就会出现早醒、迟醒、失眠、多梦、 Why roosters roar off? Why do people wake up on time? This seems to be a natural phenomenon, not surprising. Because of this phenomenon is too common, too commonplace, few people ask why this is. Biological science has been studied to prove that this is the “head clock” in the accurate control of the law of sleep and awake. Once out of control, there will be waking up, waking up, insomnia, dreams,