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A good night's sleep sharpens our memories
After a good night\'s sleep, we are more likely to recall facts which we could not remember while still awake, researchers have found. According to the team from University of Exeter in Britain and the Basque Centre for Cognition, Brain and Language in Spain, sleeping not only protects memories from being forgotten it also makes them easier to access.
London: After a good night's sleep, we are more likely to recall facts which we could not remember while still awake, researchers have found. According to the team from University of Exeter in Britain and the Basque Centre for Cognition, Brain and Language in Spain, sleeping not only protects memories from being forgotten it also makes them easier to access.
“Sleep almost doubles our chances of remembering previously unrecalled material. The post-sleep boost in memory accessibility may indicate that some memories are sharpened overnight,” explained Nicolas Dumay from University of Exeter. This supports the notion that, while asleep, we actively rehearse information flagged as important.
In two situations where participants forgot information over the course of 12 hours of wakefulness, a night's sleep was shown to promote access to memory traces that had initially been too weak to be retrieved. Dr Dumay believes the memory boost comes from the hippocampus, an inner structure of the temporal lobe in the brain.
