(27) باب فِي صَلاَةِ اللَّيْلِ
Sa'id b. Jubair said that Ibn 'Abbas told him:
He (the Prophet) got up and prayed eight rak'ahs in pairs, and then observed witr with five rak'ahs and he did not sit between them. (RU)
Reference (RU): Sunan Abi Dawud 1358 (RU)
In-book reference (RU): Book 5, Hadith 109 (RU)
English translation (RU): Book 5, Hadith 1353 (RU)