In Australia, we could call that Carer’s Leave; Mental health days are a valid use case (at least at my work).
Edit: Mind you, we are also a country that needed to implement a Public Holiday ahead of the AFL Grand Final (similar to SuperBowl) because a significant portion of the population were taking ‘sick days’! 🤣
Good riddance, mines are such a barbaric form of warfare.. generations not yet born will likely fall victim to these insidious things.