(1) باب اسْتِحْبَابِ الْوِتْرِ
The above mentioned tradition has also been narrated by 'Abd Allah (b. Mas'ud) through a different chain of narrators to the same effect. This version adds:
A bedouin said: What are you saying ? He replied: This is neither for you, nor for your companions.
Reference: Sunan Abi Dawud 1417
In-book reference: Book 8, Hadith 2
English translation: Book 8, Hadith 1412