Shekh Ṣaliḥ ibn al-Fawzan (May Allaah preserve him) replied, "He should recite what he can by night or by day. But to recite it by night is better since that’s when Jibreel would teach the Qur’an to Prophet (Salla-Allaahu alayhi wa sallam).
[حال السلف الصالح في استقبال شهر رمضان]