AUTHOR=Tsujino Natsuko , Ikeda Masayuki , Hirano Arisa , Sakurai Takeshi TITLE=Editorial: The Role of Neuropeptides in Sleep/Wakefulness States and the Circadian Clock JOURNAL=Frontiers in Neuroscience VOLUME=16 YEAR=2022 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2022.913371 DOI=10.3389/fnins.2022.913371 ISSN=1662-453X