Corporate office. Formerly Funktional Sleep Solutions, Aveiro Sleep provides Home Sleep Apnea Testing (HSAT), CPAP therapy and support services for Obstructive Sleep Apnea. Our dedicated team of Sleep Clinicians maintain contact with all our CPAP patients through follow-up programs, compliance monitoring, re-supply and, environmental and social supports. We focus on a Patient-Centered approach to ensure your unique sleep challenges will be addressed appropriately. Call us today!