EVANSTON, Illinois, Feb. 4 -- Northwestern University posted the following news release:

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Dream engineering can help solve 'puzzling' questions

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EVANSTON, Ill. -- We've all heard the best approach to solve a problem is to "sleep on it." It turns out there may be more truth to this adage than previously thought. While stories abound of eureka moments surfacing from dreams, scientific evidence has remained elusive, . . .

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