In-Ear EEG Auditory Neurofeedback Towards Unobtrusive Sleep Enhancement. - Min Suk Lee 002; Zhaoyi Liu; Abhinav Uppal; Jiahao Song; Akshay Paul; Florian Chapotot; Esra Tasali; Yuchen Xu 002; Gert Cauwenberghs (CICC, 2025)