I don't know what problem I have but I feel sleepy all the time during the day and as night start to begin my energy also start to rise. During the day whenever I try to study and focus on my important work I fail in focusing on it and barely able to study which I want to at most as it my favourite one. Please tell me what should i do. I am also feel pain at back of my eyes from past few days. i am addicted to mobile but trying my best to overcome it. And also sleeping parttern is ruined due to above mentioned problem