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Communicating with people while they sleep may enable us to study dreaming
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Researchers have managed to communicate with people while they were asleep, which could open up new avenues for studying sleeping and dreaming.
In a small study, people occasionally made brief and partial smiles or frowns as they slept in reaction to certain words – and their responses were usually appropriate. They had no memory of what happened when questioned afterwards.
This is the first time that such communication has been established in those who aren’t one of a rare group …
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