لَمَّا عُرِجَ بِرَسُولِ اللَّهِ ص نَزَلَ بِالصَّلَاةِ عَشْرَ رَكَعَاتٍ رَكْعَتَيْنِ رَكْعَتَيْنِ فَلَمَّا وُلِدَ الْحَسَنُ وَ الْحُسَيْنُ زَادَ رَسُولُ اللَّهِ ص سَبْعَ رَكَعَاتٍ شُكْراً لِلَّهِ[1] فَأَجَازَ اللَّهُ لَهُ ذَلِكَ وَ تَرَكَ الْفَجْرَ لَمْ يَزِدْ فِيهَا لِضِيقِ وَقْتِهَا لِأَنَّهُ تَحْضُرُهَا مَلَائِكَةُ اللَّيْلِ وَ مَلَائِكَةُ النَّهَارِ فَلَمَّا أَمَرَهُ اللَّهُ بِالتَّقْصِيرِ فِي السَّفَرِ وَضَعَ عَ
“Abu Ja’far (a.s.), has said, ‘When the Messenger of Allah was taken up (to heavens) he was commanded to perform Salah (prayer) and he returned with ten Rak‘at Salah (prayer) for every day. Each Salah (prayer) consisted of two Rak‘at. When al-Hassan and al-Husayn, ‘Alayhim al-Salam, were born, the Messenger of Allah in