Bulugh al-Maram, Book 6, Hadith 775 (English) ⓘ

A’ishah (RAA) narrated, ‘Saudah(the wife of the Prophet asked his permission, on the night of al-Muzdalifah, to leave earlier (to Mina as she was a heavy and slow woman.’ The Prophet gave her permission.’ Agreed upon.

وَعَنْ عَائِشَةَ رَضِيَ اَللَّهُ عَنْهَا قَالَتْ: { اِسْتَأْذَنَتْ سَوْدَةُ رَسُولَ اَللَّهِ ‏- صلى الله عليه وسلم ‏-لَيْلَةَ اَلْمُزْدَلِفَةِ: أَنْ تَدْفَعَ قَبْلَهُ, وَكَانَتْ ثَبِطَةً ‏-تَعْنِي: ثَقِيلَةً‏- فَأَذِنَ لَهَا } مُتَّفَقٌ عَلَيْهِمَا 1‏.‏ ‏1 ‏- صحيح.‏ رواه البخاري ( 1680 )‏، ومسلم ( 1290 )‏.‏