Is it normal to pick your hair all the time?

Okay so all I ever do is pick my hair for split ends or processed hair (from dying so much) and sometimes I'll just pull little bits of hair that feel frazzled or burned, and that will pull out too much hair! I sometimes put my hair up but that gives me headaches after awhile but I need to now how to stop! I think I might have this because of anxiety but can anyone give me tips to stop??