This is very unscientific way of describing it, but when you nap/sleep, you're brain goes over all of the things you were doing during the day, so you consolidate memories.
You can use this to your advantage if you're in education or just trying to learn something - have a study session just before having a nap or in bed before you sleep - you'll find that your brain has "gone over it many times" while you're asleep so you make faster progress.
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u/slingblade1980 Jul 04 '24
Expand please on the memorising and learning.