AUTHOR=Mota-Rolim Sérgio A. , Pavlou Achilleas , Nascimento George C. , Fontenele-Araujo John , Ribeiro Sidarta TITLE=Portable Devices to Induce Lucid Dreams—Are They Reliable? JOURNAL=Frontiers in Neuroscience VOLUME=13 YEAR=2019 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2019.00428 DOI=10.3389/fnins.2019.00428 ISSN=1662-453X