Sunan an-Nasai 16570
In-book no 1834أَخْبَرَنَا مُحَمَّدُ بْنُ مَعْمَرٍ، قَالَ حَدَّثَنَا يُوسُفُ بْنُ يَعْقُوبَ، قَالَ حَدَّثَنَا كَهْمَسٌ، عَنِ ابْنِ بُرَيْدَةَ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " الْمُؤْمِنُ يَمُوتُ بِعَرَقِ الْجَبِينِ " .
It was narrated from (Ibn Buraidah) that his father said: "I heard the Messenger of Allah say: 'The believer dies with sweat on his forehead."'