More than one-third of working Americans don’t get enough sleep, and the problem is greatest among the police, the military, health care workers and truckers, researchers report.

Their analysis of data from more than 150,000 employed adults between 2010 and 2018 also found that the rate of inadequate sleep (7 hours or less) rose from about 31% to nearly 36% during that time.

“Inadequate sleep is associated with mild to severe physical and mental health problems, injury, loss of productivity, and premature mortality,” said study author Jagdish Khubchandani, a health science professor at Ball State University in Indiana.

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