I've been reviewing a number of plans lately, plans for 'small houses.' The author claims that the plans meet IBC standards, but is not an architect.

The typical design will have less than 1000 sq. ft., and the sleeping area will be a loft (not counted in the square footage) that is accessed by a ladder. Or, in some instances, the sleeping area will be a mattress-sized cupboard without any margin around the mattress or additional shelving.

The lofts, I am told, are not considered as 'habitable' on account of the low head clearance and ceiling slopes.

So ... here's the question: would you consider it required to add receptacles (using the '6-ft rule') or a lighting outlet in these areas? WOuld you require AFCI protection? Can we avoid applying these rules in a sleeping area that is not 'habitable?' Or, is it your osition that a sleeping area is, by definition, a habitable space, whatever the layout?