Allah's Messenger (ﷺ) used to divide visits to his wives equally and say, "O Allah, this is my division concerning what I possess, so do not blame me concerning what You possess and I do not." [Reported by al-Arba'a; Ibn Hibban and al-Hakim graded it Sahih (authentic). at-Tirmidhi held that the stronger view is that it is Mursal (a missing link in the chain after the Tabi'i)].