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Researchers from Northwestern University found evidence that we listen and learn while we sleep. John Rudoy, the lead author of the study, said:

“The research strongly suggests that we don’t shut down our minds during deep sleep. Rather, this is an important time for consolidating memories.”

The research protocol was that people learned to associate fifty images with different locations on a computer screen. These sounds were presented to people when they were asleep, and they could place the images more accurately than subjects who were not presented with the sounds while asleep.

More coverage of neuroscience.

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