Why did Sarah die when she heard that her son had not been slaughtered, when that news should have brought joy?

This source-based Torah study examines: Why did Sarah die when she heard that her son had not been slaughtered, when that news should have brought joy? It follows the canonical Hebrew discussion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not practical halakhic, legal, medical, safety or pastoral advice.