Sahih Muslim , Book 48, Hadith 79 (In-Book) ⓘ
This hadith has been transmitted on the authority of al-Bara' b. 'Azib that Allah's Messenger commanded a person (in these words) and there is no mention of this: " if you get up in the morning you would get up with a bliss."
حَدَّثَنَا ابْنُ الْمُثَنَّى، وَابْنُ، بَشَّارٍ قَالاَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي، إِسْحَاقَ أَنَّهُ سَمِعَ الْبَرَاءَ بْنَ عَازِبٍ، يَقُولُ أَمَرَ رَسُولُ اللَّهِ صلى الله عليه وسلم رَجُلاً . بِمِثْلِهِ وَلَمْ يَذْكُرْ " وَإِنْ أَصْبَحْتَ أَصَبْتَ خَيْرًا " .
also referenced under: Hadith 2710 (Reference) & Book 35, Hadith 6548 (USC-MSA)