Dozing off in bed after learning new information may improve performance, new research has suggested.Harvard Medical School experts noted study participants who dreamt about a computer maze after being shown a map of it did well when it came to navigating around it.The research also picked up on the fact those who dreamt about the maze did better than people who did not dream or sleep at all.Research author Robert Stickgold said: "We think that the dreams are a marker that the brain is working on the same problem at many levels."The dreams might reflect the brain's attempt to find associations for the memories that could make them more useful in the future."Earlier this month, an expert from a primary care trust asserted in an interview with the Daily Mail that lying in at the weekend could have a negative impact on the brain.
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