Sunan Abi Dawud 789
سنن أبي داود#789SahihAbu Qatadah reported the Messenger of Allah (ﷺ) as saying:I stand up to pray and intend to prolong it; but when I hear the cry of a boy I shorten if for fear that his mother might be distressed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (707)
In-book reference: 2:399