Asia Pacific
Home to some of the world's most sleep-deprived populations, by national survey data.
Jakarta
A study measuring noise from Jakarta's Jagorawi toll road found it remained detectable up to 114 meters from t…
Delhi
A peer-reviewed study that measured hourly noise levels at 100 separate sites across Delhi — commercial, indus…
Melbourne
A peer-reviewed statistical downscaling study mapped road noise health risk across Melbourne down to the meshb…
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 …