The article links to the study about bi-directional communication with lucid dreamers: https://www.cell.com/current-biology/fulltext/S0960-9822(21)00059-2?_retu

The article links to the study about bi-directional communication with lucid dreamers: https://www.cell.com/current-biology/fulltext/S0960-9822(21)00059-2?_returnURL=https://linkinghub.elsevier.com/retrieve/pii/S0960982221000592?showall=true https://www.cell.com/current-biology/fulltext/S0960-9822(21)...