I suspect as with anything relating to human cultures, there's plenty of examples and counterexamples to go either way. For instance in many places people live

I suspect as with anything relating to human cultures, there's plenty of examples and counterexamples to go either way. For instance in many places people live in a single room, parents and kids [1]. In others I'm sure people live very segregated lives. https://www.fatherly.com/health-science/sleep/bed-sharing-co-sleeping-different-cultures/ https://www.fatherly.com/health-science/sleep/bed-sharing-co...