Help! i need to skip my rehearsal for NDP! best excuses gets 10 points!?

I am skipping because i had been to all rehearsals ever since the starting and now i need some good rest. the rehearsal will last from now, 7am to 10pm. so now you know why? i am 14. this rehearsal is a ... omg just tell me who would believe in sore eyes? please i have no time.