According_to_a_survey_among_middle_school_students,_many_students_have_the_following_bad_habits:_staying up late into the night; going to school without breakfast and often eating instant noodles; spending much time chatting on QQ or playing computer games.

As we know, if you often stay up late at night, you will feel tired and sleepy during the daytime and cannot concentrate in class. Going to school without breakfast or eating instant noodles instead of meals will cause a lack of nutrition. Spending too much time on QQ or computer games will do harm to your eyes.