What makes your day hardest?

Mine is my lack of sleep. The strange part is that it only affects me when i need it most. For example, In my first period of today i could barely keep my eyes open. The fight to stay awake was unbearable. People suggest, "why not get more sleep"? That's the tough part. For me to get more sleep, I would have to go to bed earlier, and for me to go to bed earlier would mean that i wouldn't be able to finish my homework. It has become quite challenge. I have been told that in high school you can have good grades, good social life, and a good amount of sleep, but you can only pick two of the three. Should i give up a good social life or good grades to not feel so drowsy?