Fitbit user data show slight increase in sleep duration in US during COVID-19 pandemic

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According to a study of data from more than 163,000 Fitbit users, sleep duration increased slightly in 2020 during the COVID-19 pandemic compared with a similar timeframe in 2019.

Results show that mean increased in nearly all groups by 5 to 11 minutes, compared with a mean decrease of 5 to 8 minutes seen over the same period in 2019. Sleep timing shifted later for nearly all groups. Sleep duration and bedtime variability decreased, largely due to fewer differences between weekday and weekend sleep.

"The most surprising thing we found was that, overall, sleep increased slightly, and sleep variability decreased slightly, during the most intense months of the pandemic," said lead author Michael Grandner, who has a doctorate in and is the director of the sleep and health research program at the University of Arizona College of Medicine. "It was also interesting to see that the degree of change in sleep was correlated with the degree of improvement in resting ."

The researchers analyzed sleep variables extracted from data contributed by 163,524 deidentified, active Fitbit users from six major U.S. cities, representing areas particularly hard-hit by the pandemic: Chicago, Houston, Los Angeles, New York, San Francisco, and Miami. Deviation from similar timeframes in 2019 were examined.

"The results provide perhaps the largest study of objective sleep recordings from a geographically diverse general population sample during the height of the pandemic," said Grandner. "They are also important because they document important population trends, such as delayed bedtime and extended , perhaps due to stay-at-home orders."


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More information: Michael Grandner et al, 214 Longitudinal Changes in Sleep Duration, Timing, Variability, and Stages during the COVID-19 Pandemic: Large-Scale Fitbit Data, Sleep (2021). DOI: 10.1093/sleep/zsab072.213
Journal information: Sleep

Citation: Fitbit user data show slight increase in sleep duration in US during COVID-19 pandemic (2021, June 14) retrieved 16 September 2021 from https://medicalxpress.com/news/2021-06-fitbit-user-slight-duration-covid-.html
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