It's always nice to get home after a full day at work or school. We know the place, but perhaps not the concept.
Think about it... can you think of other animals that have anything more than a simple place to sleep?
Anthropologist John S. Allen says turning our sleeping space into a habitat is a major feature of being human. He demonstrates in his book Home: How Habitat Made Us Human. John Allen visited in early 2016, and we revisit the interview here.