As reported in Le Monde, a recent study found than approximately 3.2 million French workers are at risk of "burning out," defined as a combination of physical exhaustion and emotional anxiety.
Although France is already famous for its 35-hour workweek, many firms skirt the rules - often through employees who continue working remotely long after they leave for the day.
With France's economy stagnant and an unemployment rate of 10.6 percent, a near all-time high, the value of the 35-hour workweek, in place since the 1990s, has elicited a considerable amount of debate in recent months.
Professionals who find the right balance between private and work life perform far better in their job than those who arrive shattered.
A recent proposal, for instance, would give companies the right to renegotiate longer hours and to pay less in overtime to employees who stay longer. The "right to disconnect" is ultimately a means of enshrining labor protections in a changed working environment, in which technology - especially smartphones and other personal devices - have become indispensable.
Some companies in France and elsewhere already have this rule in place, but Mettling insists that many more should. As he told Europe1 Radio: "Professionals who find the right balance between private and work life perform far better in their job than those who arrive shattered."