No acute effects of cannabidiol on the sleep-wake cycle of healthy subjects: a randomized, double-blind, placebo-controlled, crossover study - Linares, Ila Marques Porto; Guimarães, Francisco Silveira; Eckeli, Alan Luiz; Crippa, Ana Chrystina de Souza; Zuardi, Antônio Waldo; Souza, José Dalmo Silva de; Hallak, Jaime Eduardo Cecilio; Crippa, José Alexandre de Souza (Frontiers in Pharmacology, 2018)