1.3. To test the hypothesis that a "subpopulation of subject" exists within the clinical spectrum of OSAS, in whom decreasing strength of the genioglossus muscle may represent a common element in spite of differing possible pathophysiologic pathways leading to Obstructive Sleep Apnea in man. 1.4. The major hypothesis of this proposal is thus that "Genioglossal Strength is inversely correlated with Obstructive Sleep Apnea Pathology."