Editorial composite showing a hand holding an alarm clock beside a laptop, paired with sunlit clouds and an unnumbered thermometer symbol.

US employees spent an estimated 3.5 additional minutes on non-work activities at their workplace, excluding eating, on days reaching at least 100°F (37.8°C), a University of Zaragoza study found. The result points to changes in how people use time at work, although it does not measure a decline in output.

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