In the position of one foot on top of the other

Muḥammad b. Aḥmad b. Abū Khalaf > Sufyān > al-Zuhrī > ʿAbbād b. Tamīm > ʿAmmih

'Abbad b. Tamim reported from his uncle that he saw Messenger of Allah ﷺ lying in the mosque and placing his one foot upon the other. – Sound Chain

أَخْبَرَنَا مُحَمَّدُ بْنُ أَحْمَدَ بْنِ أَبِي خَلَفٍ حَدَّثَنَا سُفْيَانُ قَالَ سَمِعْتُ الزُّهْرِيَّ يُحَدِّثُ عَنْ عَبَّادِ بْنِ تَمِيمٍ عَنْ عَمِّهِ قَالَ

رَأَيْتُ رَسُولَ اللَّهِ ﷺ «مُسْتَلْقِيًا فِي الْمَسْجِدِ وَاضِعًا إِحْدَى رِجْلَيْهِ عَلَى الْأُخْرَى» – إسناده صحيح