Impact of mini-dose dexmedetomidine supplemented analgesia on sleep structure in patients at high risk of obstructive sleep apnea: a pilot trial - Sun, Pei; Liang, Xin-Quan; Chen, Na-Ping; Ma, Jia-Hui; Zhang, Cheng; Shen, Yan-E; Zhu, Sai-Nan; Wang, Dong-Xin (Frontiers in Neuroscience, 2024)