Why is it that babies like being rocked to sleep yet as we get older rocking can be uncomfortable such as on a boat?
In: Biology
The womb is a fluid-filled sac, and when a mother moves about the baby is very slightly rocked thanks to that fluid. The baby becomes used to this feeling before birth, so rocking helps to calm them afterward for a time.
Adult humans don’t live in fluid-filled sacs. We’re not used to being moved or rocked outside of our own willpower.
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