Sahih al-Bukhari 1135

Arabic

حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنِ الأَعْمَشِ، عَنْ أَبِي وَائِلٍ، عَنْ عَبْدِ اللَّهِ ـ رضى الله عنه ـ قَالَ صَلَّيْتُ مَعَ النَّبِيِّ صلى الله عليه وسلم لَيْلَةً، فَلَمْ يَزَلْ قَائِمًا حَتَّى هَمَمْتُ بِأَمْرِ سَوْءٍ‏.‏ قُلْنَا وَمَا هَمَمْتَ قَالَ هَمَمْتَ أَنْ أَقْعُدَ وَأَذَرَ النَّبِيَّ صلى الله عليه وسلم‏.‏

English translation

Narrated Abu-Wail:`Abdullah said, "One night I offered the Tahajjud prayer with the Prophet (ﷺ) and he kept on standing till an ill-thought came to me." We said, "What was the ill-thought?" He said, "It was to sit down and leave the Prophet (standing)

Reference: Sahih al-Bukhari 1135, Book of Prayer at Night (Tahajjud). English translation by Dr. Muhammad Muhsin Khan.