to move.

i feel the need to move. to run as fast as my legs will carry me. but why? where am i trying to get to? i feel an urgency to do something, but i'm not sure what. i can barely sit still, but when i get up i'm at a loss for something to do. every song that comes on, i want to change because it's too slow and relaxing. i can't quiet my mind and all these thoughts in my head. i feel like there's something important i should be doing but not sure what. so i've got to ask, is this normal? do you ever feel this way?