Sahih Muslim , Book 4, Hadith 1189 (USC-MSA) ⓘ
Ibn 'Umar reported: The Messenger of Allah while reciting the Qur'an recited its surah containing sajda, and he performed prostration and we also prostrated along with him (but we were so overcrowded) that some of us could not find a place for our forehead (when prostrating ourselves).
حَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، كُلُّهُمْ عَنْ يَحْيَى الْقَطَّانِ، - قَالَ زُهَيْرٌ حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، - عَنْ عُبَيْدِ اللَّهِ، قَالَ أَخْبَرَنِي نَافِعٌ، عَنِ ابْنِ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَقْرَأُ الْقُرْآنَ فَيَقْرَأُ سُورَةً فِيهَا سَجْدَةٌ فَيَسْجُدُ وَنَسْجُدُ مَعَهُ حَتَّى مَا يَجِدُ بَعْضُنَا مَوْضِعًا لِمَكَانِ جَبْهَتِهِ .
also referenced under: Book 5, Hadith 133 (In-Book) & Hadith 575 (Reference)