The right sounds may turn sleep into a problem-solving tool

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Sound cues during lucid dreams helped sleepers solve puzzles the next In a study of lucid dreamers, researchers replayed soundtracks linked to brain-teasing puzzles participants couldn’t solve, nudging sleepers to dream about them and boosting the odds of solving the puzzles the next day. When solving a puzzle, the answer could lie in your dreams. In a study of lucid dreamers, playing soundtracks linked with unsolved puzzles helped the sleepers solve the problems the next day, researchers report February 5 in Neuroscience of Consciousness. Stories of brilliant insights after a nap or daydream abound, but scientists have struggled to successfully influence people’s dreams and rigorously test the idea. “This study provides one of the first experimentally grounded demonstrations of such a link,” says Giulio Bernardi, a cognitive neuroscientist at IMT School for Advanced Studies Lucca, in Italy, who was not involved with the work.  Whether we remember our dreams or not, we have countless dreams in our sleep, according to Karen Konkoly, a
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