From Florida Building Code Section 202:
BEDROOM. A room that can be used for sleeping and that:
For site-built dwellings has a minimum of 70 square feet of conditioned space;
For manufactured homes is constructed according to the standards of the United States Department of Housing and Urban Development and has a minimum of 50 square feet of floor area;
Is located along an exterior wall;
Has a closet and a door or an entrance where a door could be reasonable installed; and
Has an emergency means of escape and rescue opening to the outside in accordance with the Florida Building Code.