وَعَنْهَا قَالَتْ: كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: إِذَا أَرَادَ سَفَرًا أَقْرَعَ بَيْنَ نِسَائِهِ فأيهن خَرَجَ سَهْمُهَا خَرَجَ بِهَا مَعَهُ
She said that when God’s Messenger intended to go on a journey he cast lots among his wives and the one who was chosen by lot went on it with him.
Mishkat al-Masabih 3105, Book 14, Marriage, Hadith 150. 1 min read