Al-Kāfi - The Book of Prayer

Chapter: Things That Invalidate Salah (Prayer) Like Laughing, Invalidating Wudu’, Making a Gesture, Forgetting and So on َاعَةٌ عَنْ أَحْ٠َّدِ بْنِ عِيسَى عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنْ أَخِيهِ الْحَسَنِ عَنْ زُرْعَةَ عَنْ سَ٠َاعَةَ قَالَ سَأَلْتُهُ عَنِ الضَّحِكِ هَلْ يَقْطَعُ الصَّلاَةَ قَالَ أَ٠ُ فَلاَ يَقْطَعُ الصَّلاَةَ وَأَ٠َّا الْقَهْقَهَةُ فَهِيَ تَقْطَعُ الصَّلاَةَ.

وَرَوَاهُ أَحْ٠َانَ بْنِ عِيسَى عَنْ سَ٠1. A group has narrated from Ahmad ibn Muhammad ibn ‘Isa, from al-Husayn ibn Sa‘id, from his brother al-Hassan, from Zur’ah, from Sama‘ah who has said the following: “I once asked him (the Imam) (a.s.), about laughing if it destroys Salah (prayer).

He (the Imam) said, ‘Smiling does not destroy Salah (prayer) but laughing loudly destroys it.’” It (the above Hadith) also is narrated from Ahmad ibn Muhammad from ‘Uthman ibn ‘Isa from Sama‘ah.” وثق بسنديه - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (15/236))