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Researchers have suggested that a good night's sleep not only boosts memory but it also helps in remembering information that we may have forgotten.

Experts said that if you are trying to remember something and are unable to do so, try to get a good night's sleep as it might help remember some things. The researchers noted that in two situations, the participants in the study forgot information over the course of 12 hours of being awake and they were twice as likely to be able to remember it after a night's sleep.

Psychologist Dr Nicolas Dumay, of the University of Exeter, said, "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. This supports the notion that, while asleep, we actively rehearse information flagged as important."

Dr Dumay also said that more research is required on the subject and to determine if sleep opens upwider range of contexts along it to be more useful. The research indicated that sleeping not only protects memories from being forgotten but also makes it easier to access as people are more likely to recall facts.

The findings of the study were published in Cortex.