And during the time I spent less sleep is why I sleep I like to play games and watch TV until late, I understand that sleep affects health. When we insufficient sleep Debilitating and classes in the morning, it will make you feel sleepy. I would not pay attention to their studies. As a result, my grades got worse. Some days I go home and darkness. It takes more time to do homework and sleep less. Some days I do not have time to read books. And some days I just want to hang out with friends.