Sunan an Nasai 883
The Book of the Commencement of the Prayer
أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا يَحْيَى، قَالَ حَدَّثَنَا ابْنُ أَبِي ذِئْبٍ، قَالَ حَدَّثَنَا سَعِيدُ بْنُ سَمْعَانَ، قَالَ جَاءَ أَبُو هُرَيْرَةَ إِلَى مَسْجِدِ بَنِي زُرَيْقٍ فَقَالَ ثَلاَثٌ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَعْمَلُ بِهِنَّ تَرَكَهُنَّ النَّاسُ كَانَ يَرْفَعُ يَدَيْهِ فِي الصَّلاَةِ مَدًّا وَيَسْكُتُ هُنَيْهَةً وَيُكَبِّرُ إِذَا سَجَدَ وَإِذَا رَفَعَ .
Sa'eed bin Sam'an said Abu Hurairah came to the Masjid of Banu Zuraiq and said:"There are three things that the Messenger of Allah (ﷺ) used to do and the people have abandoned; he used to raise his hands extended when praying, and he would fall silent briefly, and say takbir when he prostrated and when he sat up
Grading: Abu Ghuddah: Sahih · Al-Albani: Sahih · Zubair Ali Zai: Isnaad Hasan
Text from the public-domain hadith-api dataset. Numbering follows that dataset and can differ by a few from some printed editions — check the wording, not only the number.