Sahih al-Bukhari · Hadith 1097

Shortening the Prayers (At-Taqseer)

Narrated 'Amir bin Rabi`a: I saw the Prophet (ﷺ) on his Mount praying Nawafil by nodding his head, whatever direction he faced, but Allah's Messenger (ﷺ) never did the same in offering the compulsory prayers