Al-Kāfi - The Book of Prayer

Chapter: Performing Optional Salah (Prayer) before or after, Compensatory prayer for them and Salah (prayer) of al-Duha’ 15ـ الْحُسَيْنُ بْنُ ٠َّدٍ عَنْ عَلِيِّ بْنِ أَسْبَاطٍ عَنْ عِدَّةٍ ٠ِنْ أَصْحَابِنَا أَنَّ أَبَا الْحَسَنِ الأوَّلَ (عَلَيْهِ الْسَّلا٠) كَانَ إِذَا اهْتَ٠َّ تَرَكَ النَّافِلَةَ. 15.

Al-Husayn ibn Muhammad has narrated from Mu‘alla’ ibn Muhammad from Ali ibn Asbat from A number of our people who has said the following: “Abu al-Hassan, the first (a.s.), whenever distressed would not perform optional Salah (prayer).” شهور - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (15/421))