Sir I am student of class 12 I am ridden by some digestive system problems and my eyesight number is 3 even if I sleep for 7-8 hrs in night I feel sleepy throughout the day is there a underlying disease I fell much uneasy and often get allergies infection and fever I am study in board class and have to spend a good time studying but lot of sleep disturbs my schedule is this due to underlying health condition and is there any tests which can be formed to evaluate the condition I feel tired in short span such a getting up stairs as I am much overweight and fat.