A man from the Ansar said to the Prophet (PBUH): I cannot pray with you -he was a big man. So he prepared food for the Prophet (PBUH) and invited him to his house. Then, he spread out a mat for he Prophet (PBUH) and sprinkled the edge of the mat with water. The Prophet (PBUH) prayed two rak’ahs on it. A man from the Al-Jaroud family asked Anas: Did the Prophet (PBUH) use to pray the Duha prayer? Anas replied: I never saw him pray it except that day.