LUKE, D. P.; ZYCHOWICZ, K. Working the graveyard shift at the witching hour: Further exploration of dreams, psi and circadian rhythms. International Journal of Dream Research, [S. l.], v. 7, n. 2, p. 105–112, 2014. DOI: 10.11588/ijodr.2014.2.12000. Disponível em: https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/12000. Acesso em: 4 oct. 2022.