The summer holidays are getting closer, meaning more Kiwis will be leaving their offices for breaks - but research shows they might not fully disconnect.

New research shows fewer than half of New Zealand workers are fully disconnecting from the job when they’re on holiday, putting them at risk of burnout.

Massey University professor of management Dr Jarrod Haar says it's better for workers to make the most of their time off.

"It is indicative, I think, of our modern day working society that it is just so easy to check your work emails on your smartphone, even down on the beach...and that has repercussions for our wellbeing."

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