The effects of going to bed late is imperfect learning. Students who go to bed late will not be able come to the morning class in time and will lose attention for the lecture. The student who don’t get much rest maybe fall sleep in the classroom so the teacher will get angry or cannot teach extremely. These cause might effect to the other students. Going to bed late also affect health. The people who lack of sleep will miss the breakfast so their brain will not work perfectly and will get a headache. In conclusion, many negative effects because of going to bed late, imperfect learning and health, therefore get much sleep for your health and your life of education.