When the Messenger of Allah (ﷺ) married Umm Salamah, he stayed with her three night, and said: Your people (i.e. clan) are not being humbled for you in my estimation. If you wish I shall stay with you seven nights; and if I stay with you seven nights, I shall stay with my other wives seven nights.
Sunan Abi Dawud Book 12, Hadith 77
← Previous Hadith The Messenger of Allah (ﷺ) married me when I was seven years old. The narrator Sulaiman said: or Six years. He had intercourse with me when I was nine years old.

Sunan Abi Dawud Book 12, Hadith 76 Next Hadith → When the Messenger of Allah (ﷺ) married Safiyyah, he stayed with her three nights. The narrator 'Uthman added: She was non virgin (previously married). He said: This tradition has been narrated to me by Hushaim, reported by Humaid, and transmitted by Anas.

Sunan Abi Dawud Book 12, Hadith 78