There’s also an emerging body of research suggesting our cities may be making us more anxious and depressed. Is it possible that as we switch to 24-hour cities, we are messing with our body clocks? Could some aspects of the build environment be affecting not just our mood, but our mental health too?

Associate Professor Jason Byrne is an urban planner, and Kobi Lane an urban planning (honours) student from the Griffith University School of Environment speaking with ABC Gold Coast's Matt Webber.