Keep in mind that besides Dickens' little bed, which is right behind my chair (and currently holding its intended occupant) there are two extra large padded beds on either side of my chair that can easily accommodate a fully stretched out pit bull of, say, 65 pounds.
And one last note: My house is drafty, for sure, but it is not cold. The desert blood I acquired over the last 15 years keeps me from living in frosty conditions when indoors. (With the notable exception of the iced over windows, of course.)
Or, find yourself a cozy bed. Cozy, in this case, with the real estate meaning of "tiny."
Eventually, however, he was forced to adapt. I guess he figured at least it was warm. I removed the water bowl next to him lest Ginger kick him into it, since he was not wearing a life vest.
Ideally, for maximum warmth, sandwich yourself between a big human and a small human, under a very soft blanket. No pit bulls allowed--this time.