Sahih Muslim 2762
صحيح مسلم#2762SahihIbn 'Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as saying:Seek Lailat-ul-Qadr in the last week (of Ramadan)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 13:268