Hadith #1601 (Sahih Muslim)
Book: The Book of Prayer - Travellers
Narrator(s): Alqama bin Waqqas علقمة بن وقاص
Grade: Sahih

I asked ‘A’isha how the Messenger of Allah (ﷺ) did in the two rak’ahs as he (observed them) sitting. She said: He would recite (the Qur’an) in them, and when he intended to bow, he would stand up and then bowed.

Source: https://parallelquran.com/hadith/sahih-muslim-1601/