(3) باب ثَوَابِ مَنْ قَامَ رَمَضَانَ إِيمَانًا وَاحْتِسَابًا
It was narrated from Abu Hurairah that:
The Messenger of Allah (ﷺ) said: "Whoever prays Qiyam during Ramadan out of faith and in the hope of reward, he will be forgiven his previous sins." (ID)
Reference (ID): Sunan an-Nasa'i 1603 (ID)
In-book reference (ID): Book 20, Hadith 6 (ID)
English translation (ID): Vol. 2, Book 20, Hadith 1604 (ID)