Sahih al-Bukhari 868
صحيح البخاري#868SahihNarrated `Abdullah bin Abi Qatada Al-Ansari:My father said, "Allah's Messenger (ﷺ) said, "Whenever I stand for prayer, I want to prolong it but on hearing the cries of a child, I would shorten it as I dislike to put its mother in trouble
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 10:259