صَحِيحُ مُسْلِمٍ
Sahih Muslim 2100 a
The Book of Clothes and Adornment
The Permissibility Of Lying Down And Placing One Leg On Top Of The Other
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنِ ابْنِ شِهَابٍ، عَنْ عَبَّادِ بْنِ تَمِيمٍ، عَنْ عَمِّهِ، أَنَّهُ رَأَى رَسُولَ اللَّهِ صلى الله عليه وسلم مُسْتَلْقِيًا فِي الْمَسْجِدِ وَاضِعًا إِحْدَى رِجْلَيْهِ عَلَى الأُخْرَى .
'Abbad b. Tamim reported from his uncle that he saw Allah's Messenger (ﷺ) lying in the mosque and placing his one foot upon the other.
Sahih Muslim, 2100 aSahihصحيح