When the Messenger of Allah ﷺ married Umm Salama, he stayed with her for three nights and said, "You are not insignificant in the eyes of your husband. If you wish, I will spend seven nights with you, but if I spend seven with you, I will spend seven with each of my other wives."
حدثنا أبو بكر بن أبي شيبة حدثنا يحيى بن سعيد القطان عن سفيان عن محمد بن أبي بكر عن عبد الملك بن أبي بكر بن الحارث بن هشام عن أبيه
أن رسول الله ﷺ لما تزوج أم سلمة أقام عندها ثلاثا وقال ليس بك على أهلك هوان إن شئت سبعت لك وإن سبعت لك سبعت لنسائي
Its chain of transmissionNarrated by Muslim, in the Book of Suckling, Chapter on how long a virgin and a previously married woman are entitled to have the husband stay with her after the wedding, hadith no. 1460, from Ibn Abu Shayba and others, with this wording.