The Book of Hajj
24/209. Chapter:
Concession Allowing Women To Leave Jam ' (Al-Muzdalifah) Before Dawn
Sunan an-Nasai
أَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا هُشَيْمٌ، قَالَ أَنْبَأَنَا مَنْصُورٌ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ، عَنِ الْقَاسِمِ، عَنْ عَائِشَةَ، قَالَتْ إِنَّمَا أَذِنَ النَّبِيُّ صلى الله عليه وسلم لِسَوْدَةَ فِي الإِفَاضَةِ قَبْلَ الصُّبْحِ مِنْ جَمْعٍ لأَنَّهَا كَانَتِ امْرَأَةً ثَبِطَةً .
It was narrated that Aishah said: "The Prophet allowed Sawdah to leave Jam (Al-Muzdalifah) before dawn because she was a heavyset woman.
Reference : Sunan an-Nasa'i 3037In-book reference : Book 24, Hadith 420English translation : Vol. 3, Book 24, Hadith 3040