Bismillah Walhamdulillah Was Salaatu Was Salaam ‘ala Rasulillah
Narrated the uncle of ‘Abbas bin Tamim (Radi-Allahu ‘anhu):
I saw Allah’s Apostle (Sallallahu ‘Alaihi Wa Sallam) lying on his back in the mosque and putting one of his legs over the other.
Bukhari Vol. 8 : No. 302