13 Miracles Of Christmas

Every year on christmas the being known as Santa awakens from his slumber to hear out 13 prayers and grant their wishes before returning to his sleep.
Why does he do it?
Why is it specifically 13 everytime?
Noone knows for sure.
All we know is that this has been happening possible since the beggining of humanity or even before.
We have records of activity of this "Santa" being even in our earliest recorded history.
Some people say that perhaps Santa might be the person behind the creation of the pyramids although the sources on this claim havent been properly verified yet.