(136) باب عَقْدِ الثِّيَابِ وَشَدِّهَا
Narrated Sahl bin Sa`d:
The people used to pray with the Prophet (ﷺ) tying their Izars around their necks because of their small sizes and the women were directed that they should not raise their heads from the prostrations till the men had sat straight.
Reference: Sahih al-Bukhari 814
In-book reference: Book 10, Hadith 209
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 12, Hadith 778