USA
From coast-to-coast time zones to 24-hour cities, sleep environment varies enormously across the US.
New York City
In Times Square, researchers studying artificial sky brightness found that at midnight you'd struggle to count…
Los Angeles
Los Angeles shows up on two separate real lists that turn out to be connected: cities with the worst fine-part…
Chicago
A 2024 study measuring real ambient decibel levels across major US cities ranked Chicago among the top 5 loude…
San Francisco
San Francisco presents a genuine data contradiction: one analysis ranks it among the top US cities for sleep, …
Miami
A 2024 study measuring real ambient decibel levels across major US cities found Miami had the highest average …
Las Vegas
Of the 30 most populous US cities, Las Vegas searched Google about sleep problems more than any other — and se…
Denver
Denver is the one city on this hub where altitude itself — not noise, light, or work culture — is the best-doc…
Seattle
"People really are sleepless in Seattle," a 2022 analysis of Google search data concluded, after finding the c…
Boston
Boston rounded out the top 5 of a 2022 analysis of the 30 most populous US cities' Google search volume for sl…
Atlanta
Atlanta's traffic reputation is backed by real, repeatedly measured data: a 2026 analysis of the 50 largest US…
Phoenix
A 2025 peer-reviewed study in Phoenix found that extreme heat has a greater impact on people's sleeping-locati…
Washington DC
Washington DC has the longest average one-way commute of any major US city measured in 2026 traffic studies — …
Baltimore
Baltimore ranked 2nd among the 30 most populous US cities for Google search volume about sleep problems in a 2…
Philadelphia
Philadelphia has something no other city on this hub can genuinely claim: an actual, dedicated academic sleep …
Houston
A 2024 survey of over 5,000 Houston and Harris County residents, conducted by Rice University's Kinder Institu…
Minneapolis
University of Minnesota neurology and psychology faculty consistently cite a real, specific figure for the Twi…
Honolulu
Despite Hawaii's laid-back reputation, Honolulu County has the state's highest rate of insufficient sleep amon…
New Orleans
New Orleans drew nearly 19.5 million visitors in 2025 — a real, record-approaching figure — to a city whose to…
San Diego
San Diego is home to the US Navy's own Naval Health Research Center, which runs real, ongoing sleep research p…
Anchorage
Anchorage sees more than 19 hours of sunlight on the summer solstice — a real figure we independently confirme…