He said, "The Prophet (ﷺ) used to visit all his wives in a round, during the day and night and they were eleven (and in another quotation nine) in number." I asked Anas, "Had the Prophet (ﷺ) the strength for it?" Anas replied, "We used to say that the Prophet (ﷺ) was given the strength of thirty (men)." [And Sa'îd said on the authority of Qatâda that Anas had told him about nine wives only (not eleven)]. [1:268-O.B.]