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
Hadith No. 589
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih Lighairihi
Zubair Ali Zai:
Daif