Abu Huraira reported Allah's Messenger (ﷺ) as saying: He who observed prayer at night during Ramadan, because of faith and seeking his reward from Allah, his previous sins would be forgiven
Book 6 · Hadith 207
صحيح مسلم
Abu Huraira reported Allah's Messenger (ﷺ) as saying: He who observed prayer at night during Ramadan, because of faith and seeking his reward from Allah, his previous sins would be forgiven