Hadith 4708
وَعَن عبَّادِ بن تَمِيم عَنْ عَمِّهِ قَالَ: رَأَيْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي الْمَسْجِدِ مُسْتَلْقِيًا وَاضِعًا إِحْدَى قدمَيه على الْأُخْرَى. مُتَّفق عَلَيْهِ
Ubadah bin Tameem narrates from his uncle, who said: I saw the Messenger of Allah (peace and blessings be upon him) lying on his back in the mosque, with one of his legs placed over the other. Agreed upon.