eli5 Why is it important that the baby cries after birth

Question

I saw a reel on how african doctors will slap the baby for them to cry and i know for a fact that this is true and there must be a reason behind it but i just don’t get it

In: Other

Answer 1

My mom told me i was born NOT crying. They had to do stuff with me to make me cry. Relief was in the room when I finally cried.