Husnain Sardar*, Taha Waheed, and Dr. Junaid Akram, “APNEAGUARD AI: AN ADVANCED DEEP LEARNING ECOSYSTEM FOR NON-INVASIVE SLEEP APNEA SCREENING UTILIZING LOW-RESOLUTION WEARABLE PHOTOPLETHYSMOGRAPHY”, SES, vol. 4, no. 6, pp. 2199–2216, Jun. 2026.