Where the tradition files this
Look at the company the words keep in the report below. Sorrow and sadness are listed alongside fatigue, disease, injury and distress. They are in a list of things that happen to a body, not in a list of moral failures.
Qur’an and Sunnah
Narrated Abu Sa`id Al-Khudri and Abu Huraira:The Prophet (ﷺ) said, "No fatigue, nor disease, nor sorrow, nor sadness, nor hurt, nor distress befalls a Muslim, even if it were the prick he receives from a thorn, but that Allah expiates some of his sins for that
Sahih al-Bukhari 5641graded sound, sahihaynfull report