I sleep 8 hours at night (1am to 9am) and after college for 2 hours ( 4pm _6) but its never enough and im always tired and sleepy in class and home.

Get a good screening: Fatigue can come from a variety of things diet, stress, low iron, low,thyroid, lack of restorative sleep to name a few. You need a complete evaluation to determine the cause, then an appropriate treatment plan can begin. Red Bull may work for a few hours, but you are looking for a longer term solution, and for this, we need a correct diagnosis