Page 1/15 Why trees sleep? - explanations to diurnal branch movement Samuli Junttila ( samuli.junttila@uef.ｦ ) University of Eastern Finland Teemu Hölttä University of Helsinki Lauri Lindfors University of Helsinki Aimad El Issaoui Aalto University Mikko Vastaranta University of Eastern Finland Hannu Hyyppä Aalto University Eetu Puttonen Finnish Geospatial Research Institute Research Article Keywords: diurnal branch movement, terrestrial laser scanning (TLS), tree monitoring, diurnal cycles, leaf water content, leaf water potential, tree water status DOI: https://doi.org/10.21203/rs.3.rs-365866/v1 License: This work is licensed under a Creative Commons Attribution 4.0 International License. Read Full License