Hello! Doctor I am student. My problem is related to Sleep As a student You know I have to study till late night And wake up early in the mrng I usually sleep at 2: 00 am ni8 and wake up by 7O'Clock in the mrng but why do I fell Sleepy, Lazy through out the day I don't understand .While my All other don't Fell Lazy as me .Please tell me How should I deal with this situation In order to avoid Laziness during the day time?