Imam Bukhari narrates: Muhammad bin Abdur Rahim narrated to us, he said: Yazid bin Harun narrated to us, he said: Humaid At-Tawil informed us, from Hazrat Anas bin Malik (may Allah be pleased with him),

that the Messenger of Allah ﷺ fell from his mare, so his shin or his shoulder was injured, and he had sworn an oath not to go to his wives for one month, so he sat in his loft (gallery), whose stairs were made of the wood of the date-palm tree, so his companions came to visit him, he led them in prayer sitting, and they were standing, when he turned the Salam, he said: "The Imam is made so that he be followed, so when he says the Takbeer, you say the Takbeer, and when he makes Ruku', you make Ruku', and when he makes Sajdah, you make Sajdah, and if he prays standing, you pray standing." And he came down from the loft (gallery) after twenty-nine days, the Companions said: "O Messenger of Allah! You had sworn an oath of one month?" He said: "The month is also of twenty-nine days."