Sahih al-Bukhari 572
صحيح البخاري#572SahihNarrated Anas:The Prophet (ﷺ) delayed the `Isha' prayer till midnight and then he offered the prayer and said, "The people prayed and slept but you have been in prayer as long as you have been waiting for it (the prayer)." Anas added: As if I am looking now at the glitter of the ring of the Prophet (ﷺ) on that night
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: 9:48