Abstract: An extension or elevator device for the legs supporting bed-frames of various design, which are arranged to raise the head of the bed. The resultant pitching of the sleeping surface is to reduce stomach acid reflux into the esophagus in the condition Reflux Esophagitis (commonly: heartburn) during bedrest. Device is installed in place of casters or gliders, and has provision for replacing casters in order to retain the original floor-bearing and mobility characteristics of the bed.