Here’s another reason to leave work on time.

Maintaining a healthy sex life at home boosts employees’ job satisfaction and engagement at work, a recent Oregon State University study published in the peer-reviewed “Journal of Management” concluded. Married couples who also enjoyed a regular sex life immersed themselves in their tasks at work and enjoyed it more than those who did not, Keith Leavitt, an associate professor at the university’s College of Business and co-author of the study, found. “This is a reminder that sex has social, emotional and physiological benefits,” he said, “and it’s important to make it a priority.”

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“ Sexual intercourse triggers dopamine, a neurotransmitter associated with reward centers in the brain, and oxytocin, a neuropeptide associated with social bonding and attachment. ”

There may also be a biological explanation. Sexual intercourse triggers the release of dopamine, a neurotransmitter associated with the reward centers in the brain, as well as oxytocin, a neuropeptide associated with social bonding and attachment. Leavitt and his co-authors followed 159 married employees over the course of two weeks, asking them to complete two brief surveys each day. Those who engaged in sex reported more positive moods the next day and led to more sustained work engagement and job satisfaction throughout the workday.

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Conversely, bringing work home from the office negatively impinges on employees’ relationships and, therefore, their sex lives. In an era when smartphones are prevalent and round-the-clock work emails are par for the course, the findings highlight the importance of leaving work at the office, Leavitt added. “Just make time for it.” Of course, happier couples are likely to be intimate more often, but Leavitt said that the sex lives of employees still had a significant impact on their workplace performance, even accounting for the amount of sleep and overall martial satisfaction.

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“ The benefits work both ways too. Success at work and increase in income is also likely to make things easier at home. The higher your income, the more likely you are to stay together. ”

People who have regular sex also are more willing to pitch in with work at home, a separate study found. Couples who split child care duties relatively equally reported better relationships and sex lives than those who did not, a study of 487 heterosexual couples from researchers at Georgia State University, which was presented at the 2015 annual meeting of the American Sociological Association in Chicago. For both sexes, “egalitarianism is associated with higher quality, more intimate relationships than gender traditional arrangements,” the researchers found.

Success at work and increase in income is also likely to make things easier at home. The higher your income, the more likely you are to stay together, according to the Emory study and data analyzed by Randal Olson, a graduate research assistant at Michigan State University. Couples in households making $125,000-plus a year are 51% less likely to split than those earning less than $25,000 a year; their prospects for success get progressively worse based on lower earnings. Of course, research has long established a link between money and marital solidity.