(13) باب فِي صَلاَةِ النَّهَارِ
Narrated Abdullah ibn Umar:
The Prophet (ﷺ) said: Prayer by night and day should consist of pairs of rak'ahs.
Reference: Sunan Abi Dawud 1295
In-book reference: Book 5, Hadith 46
English translation: Book 5, Hadith 1290