Why babies love to suckle

4 weeks old

Stroke your newborn’s cheek and you’ll find their mouth naturally opens, as though they’re expecting milk. And when you place your finger in their mouth they will instinctively begin to suckle.

This happens because babies are born with several reflexes—including suckling—that help them survive before they develop voluntary skills of their own.

Suckling is also incredibly comforting for your baby. When your little one suckles on your breast the hormone cholecystokinin (CCK) is released, creating a sleepy feeling. This is why some babies love to nurse for comfort and a soother can help calm your little one—even if it’s not a long-term strategy. Once again, mom, you are number one!

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