David Burkus of the Harvard Business Review posits that “people with looser boundaries between home and work did experience more cognitive role transitions, but that they were also less depleted by them.”

… “The study not only gives permission to let your mind wander at work (or at home), but it offers us a bit of forgiveness: letting your personal life intrude on your work might make you more productive in the long-run.”

https://hbr.org/2016/08/research-keeping-work-and-life-separate-is-more-trouble-than-its-worth