'Umar bin Al-Khattab (May Allah be pleased with him) reported:
Messenger of Allah ﷺ said, "Should anyone fall asleep at night and fail to recite his portion of the Qur'an, or a part of it, if he recites it between the Fajr prayer and the Zuhr prayer, it will be recorded for him as though he had recited it during the night".

[Muslim].

وعن عمر بن الخطاب رضي الله عنه قال: قال رسول الله ﷺ:
" من نام عن حزبه من الليل، أو عن شيء منه فقرأه ما بين صلاة الفجر وصلاة الظهر، كتب له كأنما قرأه من الليل" ((رواه مسلم)).