AUTHOR=García-García Fabio TITLE=Editorial: The biological functionality of sleep JOURNAL=Frontiers in Neuroscience VOLUME=17 YEAR=2023 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2023.1219904 DOI=10.3389/fnins.2023.1219904 ISSN=1662-453X