小王是一名高三理科学生,身体健康,学习成绩优良,平时睡眠状况良好,只是只要一面临重要考试,他就会严重失眠。每次考试之前,熄灯之后,明明感觉很困了,躺在床上就是睡不着。越是这样,越想要自己快点入睡;越是睡不着,就越是担心自己能否 Xiao Wang is a high school science student, good health, good academic performance, usually good sleep, but as long as an important exam, he will be a serious insomnia. Before each test, turn off the lights, obviously feel sleepy, lying in bed is not sleep. The more you do, the more you want to fall asleep faster; the more you fall asleep, the more you worry about whether you can