Sunan an-Nasa'i 1641
سنن النسائي#1641SahihIt was narrated that 'Aishah, may Allah (SWT) be pleased with her, said:"I do not know that the Messenger of Allah (ﷺ) recited the whole Qur'an in one night, or spent a whole night in worship until dawn, or that he ever fasted an entire month apart from Ramadan
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 20:44