Distribution services, namely, delivery of medical devices; distribution services, namely, delivery of medical devices to consumers for detecting, diagnosing, monitoring, and treating medical conditions, namely, sleep apnea, sleep disorders, sleep disordered breathing, and cardiopulmonary diseases including cardiac arrhythmias; distribution services, namely delivery of medical devices to consumers for monitoring and analyzing blood pressure, heart rate, peripheral capillary oxygen saturation, and seismocardiography; distribution services, namely, delivery of medical devices to consumers for monitoring and analyzing patient vital signs namely, via skin surface biopotentials, photoplethysmography, and accelerometer derived physiological signals; shipping and receiving of medical devices; mail-in medical device services