Researchers say two-way communication is possible with people who are sleeping and dreaming.
Specifically, with people who lucid dreaming – that is, dreaming while being aware that you are dreaming.
In separate experiments, scientists in the United States, France, Germany, and the Netherlands asked people simple questions while they slept. Sleepers would respond by moving their eyes or shaking their face in a certain way to indicate their responses.
“Since the 1980s, we have known that lucid dreamers can communicate from their dreams using these signals,” says Karen Konkoly, Ph.D. student at Northwestern University who is the first author of the study published this year. this month in Current biology.
“But we were asking ourselves, can we also communicate? Can we ask people questions that they might actually hear in their dreams that we might somehow have a more meaningful conversation? “
They were studying rapid eye movement sleep, which is the stage of sleep where people dream most strongly. In REM sleep, “every muscle in your body is completely paralyzed, except you can twitch and move your eyes,” Konkoly tells Scott …
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