Where you live could determine how much you sleep, according to new data.
Fortune, citing data gathered from Bing, ranked U.S. cities based on the average amount of time residents sleep each night.
Data showed that people who live in San Francisco get the least amount of sleep, averaging only 6.5 hours a night.
They were closely followed by those in Atlanta, who average six hours and 54 minutes of sleep, the only other city to average less than seven hours.
Chicago was ranked among the top 25 on the list, sitting at no. 15 with an average of seven hours and 49 minutes of sleep. Detroit residents also averaged the same amount.
Those in the Windy City typically wake up around 7:10 a.m. and go to bed around 11:21 p.m., according to the report.
The city that averaged the most sleep was Boston, where residents typically received more than eight hours, 90 minutes more than San Francisco.
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The National Sleep Foundation reports that adults between the ages of 26 and 64 should average between seven and nine hours of sleep.
