Asia Pacific
Home to some of the world's most sleep-deprived populations, by national survey data.
Tokyo
Japan doesn't just have below-average sleep — by OECD's own 2021 comparison across 33 countries, it has the le…
Singapore
Singapore sits almost exactly on the equator, which means something most cities never experience: its daylight…
Sydney
A real 2023 study of Sydney traffic noise found something genuinely counter-intuitive: at similar average nois…
Mumbai
Academic research on light pollution in India specifically names Mumbai, alongside New York City, as a city th…
Seoul
A real, peer-reviewed study led by Dr. Kyoung-bok Min at Seoul National University College of Medicine found a…
Hong Kong
Hong Kong may be the most rigorously sleep-researched city on this entire hub: a decade-long night-sky-brightn…
Bangkok
Bangkok's skyglow levels are described as among the highest in the region by real, current 2025 environmental …