Sunan Abi Dawud 4984
سنن أبي داود#4984SahihIbn ‘Umar reported the prophet (May peace be upon him) as saying:The desert Arabs may not dominate you in respect of the name of your prayer. Beware! It is al-`Isha, but they milk their camels when it is fairly dark
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 Muslim (644)
In-book reference: 43:212