Sahih Al Bukhari Hadith Number 1680

Narrated `Aisha: Sauda asked the permission of the Prophet (peace be upon him) to leave earlier at the night of Jam’, and she was a fat and very slow woman. The Prophet (peace be upon him) gave her permission.

25  Hajj (Pilgrimage)
Hadith number 1680
Volume no 2
Chapter: 98 (Whosoever sent the weak early (from Al-Muzdalifa to Mina)