For the study, the research team analyzed data from a national sample of more than 900 adults in the U.S. Almost 30 percent of respondents — 28.2 percent — reported they currently use a smartphone app to track their sleep.
The researchers determined those who reported an “excellent” diet or who indicated regular use of smartphone apps to log other health functions were most likely to use a sleep-tracking app.
These findings suggested sleep tracking was most common among the so-called “worried well,” or those in good general health, according to the researchers. However, they noted the trend did not extend to all health factors.
“Interestingly, compared to individuals who never smoke, report of smoking ‘everyday’ was associated with sleep tracking,” the study authors wrote.
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