Let it go since you don't have any control over the time.
Time keeps on moving, even if you do your work or not. Let it go since you don't have any control over the time. But managing your task is often called as time management, requires your commitment. You should be having a work life balance where you need to have a personal life even though your focus is on your studies. With having the personal life to the fullest, you can still be good at the tasks assigned. For that you need to take everything lightly. When you treat things complicated, it would create so much of mess around. Take things lightly with the focus it demands, so you would be good at handling them and finishing it sooner.