Sunan Ibn Majah 702
سنن ابن ماجه#702SahihIt was narrated that 'Aishah said:"The Messenger of Allah did not sleep before the 'Isha' nor stay up (talking) after it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 2:36