RecruitingDevice studyCardiometabolic Risk Effects of Short-term Cessation of Neurostimulation TherapyHypoglossal nerve stimulation (HGNS) is an implantable therapy that treats obstructive sleep apnea. The study will evaluate the effect of this treatment on cardiovascular and metabolism-related measures to see if it affects patients' risk of medical problems associated with obstructive sleep apnea (OSA).