Very Tired, Very Worn Out

Haih, I'm very stressed, i'm very tired, can somebody help me out?
I'm taking 5 subjects in this long sem..damn it..i'm not sure whether the head of school has gone mad or wad?
but its really stress to take 5 subjects and some more 5 of the subject is the crazy pratical and theory subject..haih..
Not sure whether i can survive this semester or not? haih...
some one please save me...
I don't wanna slack..i wanna survive this sem..help me ar...!!!!!