Answer:
Memory consolidation.
Step-by-step explanation:
This is the ability of the brain to convert and integrate newly acquired information,(synaptic consolidation) into permanent long term memory (system consolidation). Evidences from sleep research showed that human brain acquire memories during the day as we interact with our immediate environment,(synaptic consolidation) and when we sleep at night ,these memories are processed, stabilized and integrated into existing memory to form long term memory.(system consolidation).
The conversion and integration of the short term memory usually begins at average of 5-10 minutes, while stabilization into long term memory which is independent of the hippocampus takes average of over 1 hour after acquiring .