As others said, you have to talk to a lawyer. This sort of thing is in the realm of workers' rights, hence very country-specific. As a personal rule, if there

As others said, you have to talk to a lawyer. This sort of thing is in the realm of workers' rights, hence very country-specific. As a personal rule, if there is one thing I will never, ever share with my employer, no matter how much support they say they'll give me, is my mental-health data. The potential for abuse is just way, way too high.