Sunan an-Nasa'i 766
سنن النسائي#766SahihIt was narrated that Sahl bin Sa'd said:"Some men used to pray with Messenger of Allah(ﷺ) tying their lower garments tight like children, it was said to the women: 'Do not raise your heads until the men have sat up completely
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: 9:25