Sunan an-Nasa'i 161
سنن النسائي#161SahihIt was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:"When any one of you wakes from sleep, let him not put his hand into the vessel until he has washed it three times, because he does not know where his hand spent the night
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: 1:162