AUTHOR=Cajochen Christian , Chellappa Sarah L. TITLE=Commentary: Melanopsin Regulates Both Sleep-Promoting and Arousal-Promoting Responses to Light JOURNAL=Frontiers in Neural Circuits VOLUME=10 YEAR=2016 URL=https://www.frontiersin.org/journals/neural-circuits/articles/10.3389/fncir.2016.00094 DOI=10.3389/fncir.2016.00094 ISSN=1662-5110