A skin-interfaced wireless wearable device and data analytics approach for sleep-stage and disorder detection - Yayun Du; Jianyu Gu; Shiyuan Duan; Jacob Trueb; Andreas Tzavelis; Hee-Sup Shin; Hany Arafa; Xiuyuan Li; Yonggang Huang; Andrew N. Carr; Charles R. Davies; John A. Rogers (Proceedings of the National Academy of Sciences, 2025)