My problem is study late because now , In Thailand has more private car make traffic jam and my home, about 70 kilometers away from the university. we ought to wake up each morning And hurry out of the House, get ready to travel for traffic jam It make me sleep late and then wake up late You should use bus ,bts or mrt to avoid traffic jam.and you shouldn't activities that it make you sleep late.It make you wake up early and don't study late