MultiChannelSleepNet: A Transformer-Based Model for Automatic Sleep Stage Classification With PSG. - Yang Dai; Xiuli Li; Shanshan Liang; Lukang Wang; Qingtian Duan; Hui Yang; Chunqing Zhang; Xiaowei Chen; Longhui Li; Xingyi Li; Xiang Liao (IEEE J. Biomed. Health Informatics, 2023)