Narrated 'Abbad bin Tamim:
from his paternal uncle, that he saw the Prophet (ﷺ) reclining in the Masjid, and placing one of his feet atop another. (PT)
English reference (PT): Vol. 5, Book 41, Hadith 2765 (PT)
Arabic reference (PT): Book 43, Hadith 2992 (PT)