Is the "always on" culture of work emails and messaging destroying our health? Should we have a legal right to switch off, like in France?

Manuela Saragosa explores the world of office Whatsapp groups and the blurring work-life balance, with Professor Mark Cropley of Surrey University, occupational health psychologist Gail Kinman of Bedfordshire University, and Ellen Temperton of solicitors Lewis Silkin. Plus entrepreneur Mitul Thobhani explains why at his tech company Baytree Labs he doesn't impose any division between work and home life at all.

(Photo: Woman rubbing eyes in bed while using smartphone. Credit: PRImageFactory/Getty Images)