Jami` at-Tirmidhi 177
جامع الترمذي#177SahihAbu Qatadah narrated:"They asked the Prophet about when they sIept past the Salat. He said: 'There is no negligence in sleep, negligence is only while one is awake. So when one of you forgets a Salat, or sleeps through it, then let him pray it when he remembers it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih
In-book reference: 2:29