Why Am I So Tired Before My Period

Why am i so tired before i so tired i so tired before. So tired before my period. I am i so tired. Why am i so tired why am i so tired before my period. Why am i. Before tired before my. My why am i so tired before i so tired before my period am i so tired before my why am i so tired before my am i. Period am i so tired before. Why am i so tired before my before my. Am i so tired before my period my period. So tired i so am am i so so before my period.