在脑力劳动日益增多、城市噪音日趋严重的情况下,失眠的人越来越多了。现在,安眠药已成为世界上消费最多的药品之一。尽管医生们不断告诫人们,大量服用安眠药是有害的,但不这样就睡不着觉,又有什么办法呢?!睡眠在人类生活中占有重要地位,人的一生有三分之一的时间是在睡眠中度过的。然而,长期以来睡眠一直是个谜。直到脑电图机发明之后,人们才有可能去认识它。科学家们进行的一系列实验表明,人在睡着的时候,脑子并没有“睡觉”,而是在继续不断地发射着电波。电波的变化决定着睡眠的程度。当一个人在醒着的时候,他对周围的事物是敏 With more and more mental work and increasingly urban noise, insomnia is getting more and more people. Now sleeping pills have become one of the most consumed medicines in the world. Although doctors keep telling people that it is harmful to take sleeping pills in large quantities, but do not sleep in this way, what is another way? Sleep plays an important role in human life, and one third of human life is in Spent in sleep. However, sleep has long been a mystery. It was not until after the EEG was invented that people knew it. A series of experiments conducted by scientists shows that when people are asleep, their minds do not “sleep” but continue to emit radio waves. Changes in the radio determines the degree of sleep. When a person is awake, he is sensitive to everything around him