Sahih Bukhari
Prayers (Salat)
Volume: 001 / Book Number: 008 / Hadith Number: 453
Narrated Um Salama:
I complained to Allah's Apostle that I was sick. He told me to perform the Tawaf behind the people while riding. So I did so and Allah's Apostle was praying beside the Ka'ba and reciting the Sura starting with "Wat-tur-wa-Kitabinmastur."