NZ Herald3 Jul, 2026 08:00 PM3 mins to readAn expert says there's a big difference between reflecting and ruminating. Photo / Fizkes / Getty ImagesAn expert says there's a big difference between reflecting and ruminating. Photo / Fizkes / Getty ImagesThe modern workday doesn’t always end when the laptop closes. It can follow people home and back into their heads hours later, as they mentally prepare for a difficult conversation or try to solve tomorrow’s problems in advance.

Organisational psychologist and burnout expert Nick Petrie says that mental churn might