Even after people have gone to bed for the night their brains can carry on processing information according to the study by researchers at Michigan State University in the US.
The findings are highlighted in the Journal of Experimental Psychology: General.
“We speculate that we may be investigating a separate form of memory, distinct from traditional memory systems,” said Kimberly Fenn, assistant professor of psychology and lead researcher on the project.
“There is substantial evidence that during sleep, your brain is processing information without your awareness and this ability may contribute to memory in a waking state.”
Read the whole story: The Telegraph