Use your senses!
The senses of a newborn
When a baby is born they have 5 senses however some of these aren't fully developed. They are - sight, hearing, smell, taste, and touch.
They use these senses in many ways, even giving them a big cuddle and listening to your voice can help them to feel more secure.
Interested to find out more?
https://www.stanfordchildrens.org/en/topic/default?id=newborn-senses-90-P02631