Lucid dreaming increased during the COVID-19 pandemic: An online survey P. Kelly, T. Macêdo, T. Felipe, M. Maia, A. Suely, G. Herminia, M. Jatahy, L. Gomes, L. Barroso, thiago-zaqueu, B. Holzinger, S. Ribeiro, S. Mota-Rolim set. 14, 2022 PDF DOI Pandemics Sleep Dreams COVID-19 Psychological stress Behavior Emotions Virus testing