Prayers (Salat)

Bukhari :: Book 1 :: Volume 8 :: Hadith 464

Narrated 'Abbad bin Tamim:

that his uncle said, "I saw Allah's Apostle lying flat (on his back) in the mosque with one leg on the other." Narrated Said bin Al-Musaiyab that 'Umar and 'Uthman used to do the same.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star