Restless nights, cold hearts: Poor sleep causally blunts empathy Tom Gordon-Hecker; Shoham Choshen-Hillel; Eti Ben-Simon; Matthew P. Walker; Anat Perry; Alex Gileles-Hillel;

What comes first: Heart rate variability changes or insomnia? A causal investigation using Mendelian randomization Bing Yan; Xin Cui; Lei Chen; Xiangzhen Miao; Hailin Jiang; Yu Wang; Fuchun Wang;

Sleep health as a predictor of the course of depressed mood and loss of interest in individuals with depression Sarah R. Schmid; Julian E. Schiel; Bernd Feige; Florian Holub; Elisabeth Hertenstein; Katharina Domschke; Martin K. Rutter; Kai Spiegelhalder;