Sunan Ibn Majah 475
سنن ابن ماجه#475SahihIt was narrated from 'Abdullah that:The Messenger of Allah slept until he was breathing deeply, then he got up and prayed
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
Shuaib Al ArnautSahih
Zubair Ali ZaiHasan
In-book reference: 1:209