Max Planck Institute of Animal Behavior Research Overview Causes, Mechanisms and Consequences of Songbird Migration Publications Publications of Josefine Iffelsberger All genres Journal Article (1) Journal Article (1) 1. Journal Article Chakravarty, P.; Ashbury, A. M.; Strandburg-Peshkin, A.; Iffelsberger, J.; Goldshtein, A.; Schuppli, C.; Snell, K. R. S.; Charpentier, M. J.E.; Nuñez, C. L.; Gaggioni, G. et al.; Geiger, N.; Rößler, D. C.; Gall, G. E. C.; Yang, P.-P.; Fruth, B.; Harel, R.; Crofoot, M. C.: The sociality of sleep in animal groups. Trends in Ecology and Evolution (2024) MPG.PuRe DOI