Sunan an-Nasai 15010
In-book no 274أَخْبَرَنَا مُحَمَّدُ بْنُ مَنْصُورٍ، عَنْ سُفْيَانَ، عَنْ مَنْبُوذٍ، عَنْ أُمِّهِ، أَنَّ مَيْمُونَةَ، قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَضَعُ رَأْسَهُ فِي حِجْرِ إِحْدَانَا فَيَتْلُو الْقُرْآنَ وَهِيَ حَائِضٌ وَتَقُومُ إِحْدَانَا بِالْخُمْرَةِ إِلَى الْمَسْجِدِ فَتَبْسُطُهَا وَهِيَ حَائِضٌ .
Maimunah said: "The Messenger of Allah (ﷺ) used to lay his head in the lap of one of us while she was menstruating and recite Qur'an, and one of us would take the mat to the Masjid and spread it out while she was menstruating."