And during the time I spent less sleep is why I like to play games and watch TV , I understand that sleep affects health. When we insufficient sleep Debilitating and classes in the morning, it will make i feel sleepy. I would not pay attention to their studies. As a result, my grades got worse. It takes more time to 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.