梦是人的一种生理现象,几乎没有人不做梦。所谓“至人(圣人)无梦”是没有任何依据的,因为做不做梦与道德的高下无关。但梦是在睡眠中产生的,究竟缘何而来?“梦乡”又在哪里?一切都显得非常神秘,据说医学上至今还没有完全解释清楚这个问题。近代奥地利心理学家弗洛伊德,对此进行过探索,企图揭开梦的秘密。他于1900年出版《梦的解析》一书,说梦不是 Dream is a human physiological phenomenon, almost no one does not dream. The so-called “to the people (saints) no dream ” is no basis, because do not dream has nothing to do with the moral superiority. However, the dream is generated in sleep, what is the reason? “Dreamland” and where? Everything seems very mysterious, it is said that medicine has not yet fully explained the issue. Modern Austrian psychologist Freud, to explore this in an attempt to uncover the secret of the dream. He published the book “Analysis of Dreams” in 1900, saying no dreams