Good friends or best friend?!?!?

tomorrow i hav the choice of going to ski club or going to lax and bball. if i go to ski club i hav to wake up early,it lasts the whole day and its really fun and a lot of my really good friends go but i have been deprived of sleep lately. or i could sleep in and go to lax and bball with my bff. i am leanin towards goin 2 ski club except for the fear in the back of my head that i am goin to get hurt wat should i do?