Children doze off in class because they do not get enough sleep, so this can lead to dozing off in class. The other is that the child’s sleep schedule is misplaced, and because the child’s sleep schedule is misplaced, the biological clock is different from normal, so he or she will doze off in class during the day. You should allow your child to have sufficient sleep time, do not go to bed too late each day, and ensure sufficient sleep time, 8-10 hours per day. This is because children have the highest secretion of growth hormone during sleep in the growth stage, which is directly related to growth and development, as well as attention in class. Therefore, a normal routine as well as sufficient sleep time is an important way to prevent dozing off in class.