Sunan Ibn Majah, Book 1, Hadith 632 (In-Book) ⓘ
It was narrated that Anas said: "I put out water for the Messenger of Allah for a bath, and he had a bath after going to all of his wives in one night."
حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا وَكِيعٌ، عَنْ صَالِحِ بْنِ أَبِي الأَخْضَرِ، عَنِ الزُّهْرِيِّ، عَنْ أَنَسٍ، قَالَ وَضَعْتُ لِرَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ غُسْلاً فَاغْتَسَلَ مِنْ جَمِيعِ نِسَائِهِ فِي لَيْلَةٍ .
also referenced under: Hadith 589 (Reference) & Volume 1, Book 1, Hadith 589 (DarusSalam)