its possible the bed have allergens in it, eg, mites, dust, etc. and injuries cause inflammation which trigger the hives.repeated exposure to allergens increases the intesity of the allergen
Can the allergen be that powerfull that can cover her entire body in bumps and red areas. Today she was at bed and in a maner than 5 minutes she was cover in rash. What caind off allergen can be soo pawerfull to do this.
she has hives, but its only at night, it could be an allergen she is exposed in the house.