马上就要开学了,学生们又要投入到紧张的学习中。很多学生因为离家较远,因此中午不能回家,午睡时大多趴在教室的课桌上,头枕着手臂休息。这样做有三大危害。危害一由于趴在胳膊上睡觉,多处神经受到压迫,往往致人焦虑、睡不踏实。危害二因为趴着睡觉,眼球受到压迫,午睡后通 The school is about to begin, and the students are devoting themselves to intense study. Many students because they are far from home, so can not go home at noon, most of them lying on the classroom napkin, resting head and arm. There are three major hazards to doing this. As a result of falling asleep on his arm to sleep, many nerves under pressure, often cause anxiety, sleep is not practical. Harm the two because of lying on the bed, eye pressure, pass after nap