Xiao, Kaiwen, Zhaoliang Huang, and Ruifeng Xie. (2025) 2026. “Interpretable Feature Based Machine Learning for Automatic Sleep Detection Using Photoplethysmography: A Cross Disciplinary Approach to Health Management”. Big.D 2 (1):1-9. https://doi.org/10.64504/big.d.v2i1.149.