Sunan an-Nasa'i 537

It was narrated that Ibn 'Umar said:"We stayed in the Masjid one night waiting for the Messenger of Allah (ﷺ) to pray 'Isha'. He came out to us when one-third of the night or more had passed, and he said when he came out: 'You are waiting for a prayer for which the followers of no other religion are waiting. Were it not that I would impose too much difficulty on my Ummah, I would have led them in prayer at this time.' Then he commanded the Mu'adhdhin to say the Iqamah and he prayed