yesterday i bump my head on the and i just woke up like 30 mins. ago and when i woke kinda i was dreaming about thing crazy. but i bump my head on a side of the door. im not dizzy or blurred vision or headaches nothing no vomiting. like im not confusion. should i go to the er. do u think i have a concussion i pray i dont. oh! no knots or bumps. im scared. should i go back to sleep.