This chapter of Qur'an "Surah Yusuf" consists extreme kind of sadness then it has same or immense sort of happiness, Immense level of helplessness and unbelievable kind of power, separation that blinds and good news of meeting that brings light to the eyes, it has extreme level of call to sin and lust and against these it has modesty and chastity, immense kind of oppression and immense level of forgiveness, and there are lots of incidents and stories which makes a person sad and also makes a person happy.
The scholars said according to their legitimate experience that if a hopeless and sad person read this chapter of Qur'an with its correct meaning then his heart will glow up with the faith and hope with the mercy of Allah عزوجل.
Saydna Umar ibn Al Khattab رضیﷲ عنه and Saydna Uthman ibn Abi Affan رضیﷲ عنه used to recite this "Surah Yusuf" in the early morning prayer i.e. "Fajr"
Abdullah ibn shaddad said:
سمعت نشيج عمر، وأنا في آخر الصفوف يقرأ: {إنما أشكو بثي وحزني إلى الله}
I heard the sobbing of Umar رضى اللٰه عنه while I was in the last row and he was reciting the verse from the Quran:
(Prophet Yaqub عليه السلام said) I only complain of my grief and sorrow to Allah. [Surah Yusuf 12/86]
[Sahih Al Bukhari 716, al Bayhaqi 2/251 classified as Sahih]
[Tafseer al Quran al Kareem az Hafiz Abdus Salam bin Mohammad رحمہ اللہ]
