Modulations of Heart Rate, ECG, and Cardio-Respiratory Coupling Observed in PolysomnographyThomas Penzel, Christoph Schöbel, Jan W. Kantelhardt et al.|Frontiers in Physiology|2016Cited by 174
Cardiovascular and respiratory dynamics during normal and pathological sleepThomas Penzel, Ingo Fietze, Maik Riedl et al.|Chaos An Interdisciplinary Journal of Nonlinear Science|2007Cited by 69
Heart rate variability during wakefulness as a marker of obstructive sleep apnea severityHua Qin, Thomas Penzel, Brendan T Keenan et al.|SLEEP|2021Cited by 64
Effect of CPAP therapy on daytime cardiovascular regulations in patients with obstructive sleep apneaThomas Penzel, Niels Wessel, Maik Riedl et al.|Computers in Biology and Medicine|2011Cited by 26
Obstructive sleep apnea heterogeneity and autonomic function: a role for heart rate variability in therapy selection and efficacy monitoringHua Qin, Xiaowen Zhang, Ingo Fietze et al.|Journal of Sleep Research|2023Cited by 13