梦是入睡后普遍出现的一种心理现象,是一种特殊的意识形态。有关梦的研究,对于认识梦的机制和本质,揭示人脑的活动规律有着积极的意义。自从人类有文字记载以来,对于梦有许多不同的理解和信 Dream is a common psychological phenomenon after falling asleep, is a special kind of ideology. The study of dream has a positive meaning for understanding the mechanism and essence of dream and revealing the law of human brain activity. Since mankind has written records, there are many different understandings and beliefs about dreams