Sunan An-Nasa'i - سنن النسائي
20. The Book of Qiyam Al-Lail (The Night Prayer) and Voluntary Prayers During the Day - كتاب قيام الليل وتطوع النهار
64) Chapter: How many rak'ahs should a person pray who slept and missed (praying Qiyam Al-Lail) or was prevented from doing so by pain
It was narrated from Aishah that:
When the Messenger of Allah (ﷺ) did not pray at night because he was prevented from doing so by sleep- meaning, sleep overwhelmed him- or by pain, he would pray twelve rak'ahs during the day.
64) باب كَمْ يُصَلِّي مَنْ نَامَ عَنْ صَلاَةٍ، أَوْ مَنَعَهُ وَجَعٌ
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ قَتَادَةَ، عَنْ زُرَارَةَ، عَنْ سَعْدِ بْنِ هِشَامٍ، عَنْ عَائِشَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ إِذَا لَمْ يُصَلِّ مِنَ اللَّيْلِ مَنَعَهُ مِنْ ذَلِكَ نَوْمٌ أَوْ وَجَعٌ صَلَّى مِنَ النَّهَارِ ثِنْتَىْ عَشْرَةَ رَكْعَةً .