It wasnarrated from Qabus that his father said:
"My father sent wordto'Aishah, asking which prayer the Prophet (ﷺ) most liked toperform regularly. She said: 'He used to perform four Rak'ahbeforethe Zuhr, in which he would stand for a long time and bow andprostrate perfectly.'" (DE)
English reference (DE): Vol. 1, Book 5, Hadith 1156 (DE)
Arabic reference (DE): Book 5, Hadith 1211 (DE)