Self-Powered Wireless System for Sleep Apnea Syndrome Self-Management Using π-Conjugated Poly(benzodifurandione)-Based Low-Hysteresis Humidity Sensors and Highly Sensitive Pressure Sensors

), and <2.5% output deviation over 2000 cycles. Notably, harvested biomechanical energy directly powers the humidity sensor, enabling continuous and compact operation. This IoT-integrated system offers a scalable self-management solution for long-term SAS rehabilitation.