It is narrated from Hazrat Umm Salamah (may Allah be pleased with her) that when the Prophet (peace and blessings be upon him) married her, he said: "If you wish, I will spend seven days with you, but then I will also spend seven days with each of my other wives."
Hadith Referenceمسند احمد / مسند النساء / 26623
Hadith Gradingحکم دارالسلام:حديث صحيح، م: 1460، وهذا إسناد ضعيف لجهالة عبدالحميد بن عبدالله والقاسم