Adam Grant, The Wharton School’s top professor, says instead of the typical 9-to-5, our work days should end two hours earlier too.

“[L]et’s make work days shorter: they should finish at 3pm,” says Grant, an organizational psychologist and New York Times best-selling author, in a recent LinkedIn post.

“We can be as productive and creative in 6 focused hours as in 8 unfocused hours,” writes Grant.

The post has since garnered thousands of likes and hundreds of comments.

Research suggests Grant is on to something: In one experiment in Sweden, employees at a nursing home adopted a six-hour work day (with no change in pay), which resulted in improved productivity and worker health. Other research has also linked decreased productivity to an increase in the number of hours worked.

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