(37) باب تَرْكِ رَفْعِ الْيَدَيْنِ عِنْدَ السُّجُودِ
It was narrated that Ibn 'Umar said:
"The Messenger of Allah (ﷺ) used to raise his hands when he started to pray, and when he bowed, and when he stood up, but he did not do that when he prostrated."
Reference: Sunan an-Nasa'i 1088
In-book reference: Book 12, Hadith 60
English translation: Vol. 2, Book 12, Hadith 1089