Energy Dilemma

I have a finite amount of energy. After even a short class in school i will be quite tired out, and have to come home to rest/sleep to recover. Recently i have been sleeping for about 2-4 hours, and that dramatically reduces the amount of time i have to use. Thus i have been wondering, am i using this finite amount of time for the right things? I know that the main aim of this BA course is for me to experience uni life, and most probably i wont be using it in the future. Should i then continue to study BA and not ACCA? There is a higher likely hood of me employing the knowledge and skills of ACCA in my future. My mom is of the opinion that even if i stop studying now and start a market stall selling vegetables, i will be successful, and that she will support me in whatever i choose to do, as long as i make use of my hands/life. Im deeply grateful to have such parents.