Open data
Sleepiest Open Sleep Data
Free, daily-updated sleep data from thousands of sleepers. Download it, chart it, publish it: all we ask is a credit and a link.
Updated daily · data to Nov 1, 2026 · How we measure
Downloads
Daily sleep index
Every night since January 20, 2025: average sleep, wake-ups, bedtime and wake time, worldwide and for the US, UK, Canada and Australia.
Download CSVhttps://www.sleepiest.com/data/downloads/sleepiest-daily-sleep-index.csvSleep by country
Averages for every country with enough sleepers, over the last 90 days.
Download CSVhttps://www.sleepiest.com/data/downloads/sleepiest-countries.csvSleep by US state
Averages for every US state with enough sleepers, over the last 90 days.
Download CSVhttps://www.sleepiest.com/data/downloads/sleepiest-us-states.csvSleep by age and gender
Averages by age group and gender over the last 90 days.
Download CSVhttps://www.sleepiest.com/data/downloads/sleepiest-age-and-gender.csvEverything, as JSON
All of the above in one file, with licence and notes.
Download JSONhttps://www.sleepiest.com/data/downloads/sleepiest-sleep-index.json
Files update daily and keep the same URLs, so you can load them straight into a spreadsheet, notebook or newsroom chart tool.
Data dictionary
| Column | Meaning |
|---|---|
| date | The evening the night began (YYYY-MM-DD). The night of December 31 is New Year's Eve. |
| region / country_code / state_code | Where the sleepers are. Country codes are ISO 3166-1; state codes are USPS. |
| avg_sleep_minutes | Average total sleep per night, in minutes. |
| avg_wake_ups | Average number of times sleep was broken during the night. |
| avg_bedtime / avg_wake_time | Average local time sleep began and ended (24-hour clock). |
| pct_nights_under_6h | Share of nights with less than six hours of sleep. |
| pct_asleep_after_midnight | Share of nights where sleep began after midnight. |
Licence and credit
The data is published under the Creative Commons Attribution 4.0 licence. You can use it for anything, including commercially, as long as you credit Sleepiest and link to the source.
Suggested credit
Source: Sleepiest sleep data (https://www.sleepiest.com/data), licensed CC BY 4.0, data to 2026-11-01.For how the figures are measured and compared, see the methodology. Writing a story? Visit the press page.
More sleep data
See how your own sleep compares
Sleepiest tracks your sleep automatically, no wearable needed, and helps you drift off with bedtime stories, meditations and sounds.
Figures are anonymised averages from Sleepiest app users who track their sleep, not a representative sample of the population. Nights are compared with the same weekday in the surrounding weeks. Groups with too few sleepers are never shown. Methodology