Sunan an-Nasa'i 90
سنن النسائي#90SahihIt was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:"When any one of you wakes from sleep to perform Wudu', then let him sniff water in his nose and blow it out three times, for the Shaitan spends the night on his nose
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 - Agreed Upon
In-book reference: 1:90