Instant replay may help mold memories

"Idlers, loafers and layabouts, listen up. A new study suggests that the times when we sit around twiddling our thumbs could in fact be vital for learning.

The idea stems from experiments in which neuroscientists eavesdropped on the brains of rats as they explored their environments. They found that the rats' brains 'replay' their experiences in reverse when the animals pause briefly to rest."

continued at news@nature.com