Sahih Muslim 1454
صحيح مسلم#1454Sahihوَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، وَأَبُو كَامِلٍ الْجَحْدَرِيُّ قَالاَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ سِمَاكٍ، عَنْ جَابِرِ بْنِ سَمُرَةَ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصَلِّي الصَّلَوَاتِ نَحْوًا مِنْ صَلاَتِكُمْ وَكَانَ يُؤَخِّرُ الْعَتَمَةَ بَعْدَ صَلاَتِكُمْ شَيْئًا وَكَانَ يُخِفُّ الصَّلاَةَ . وَفِي رِوَايَةِ أَبِي كَامِلٍ يُخَفِّفُ .
Jabir b. Samura reported:The Messenger of Allah (ﷺ) used to observe prayers like your prayers, but he would delay the prayer after nightfall to a little after the time you observed it, and he would shorten the prayer
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 5:287