Me and my mum are in a fight?

Me and my mum argue alot, mostly about school and who I hang out with. I can't exactly help you much, but trust me, she can't ignore you. She just misheard and is angry at you. I don't understand it to be honest. You don't have to do what you didn't promise to. So sit down, or go back to sleep. She can't do anything. You know what you said, and most likely, so does she.