Schredl M, Pramschiefer E, Simon P, Runge HL, Onneken G. Sleep positions of couples at sleep onset: Association with relationship quality and relationship duration. ijodr [Internet]. 2022Oct.14 [cited 2024Nov.21];15(2):255-9. Available from: https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/90333