Call to Prayers (Adhaan)
10/137. Chapter:
One should not tuck put the hair [during Salat (prayers)]
Sahih Bukhari
حَدَّثَنَا أَبُو النُّعْمَانِ، قَالَ حَدَّثَنَا حَمَّادٌ ـ وَهْوَ ابْنُ زَيْدٍ ـ عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ طَاوُسٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ أُمِرَ النَّبِيُّ صلى الله عليه وسلم أَنْ يَسْجُدَ عَلَى سَبْعَةِ أَعْظُمٍ، وَلاَ يَكُفَّ ثَوْبَهُ وَلاَ شَعَرَهُ.
Narrated Ibn `Abbas: The Prophet (ﷺ) was ordered to prostrate on seven bony parts and not to tuck up his clothes or hair.
Reference : Sahih al-Bukhari 815In-book reference : Book 10, Hadith 210USC-MSA web (English) reference : Vol. 1, Book 12, Hadith 779