This tradition has also been transmitted by Saeed through a different chain of narrators to the same effect. Ibn Bashshar narrated the tradition like that of Yahya bin Saeed. His version has: He uttered the salutation in a way that we could hear it.
Hadith Referenceسنن ابي داود / أبواب قيام الليل / 1345
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح, انظر الحديث السابق (1342، 1343، 1344) قتادة صرح بالسماع عند البيھقي (2/499، 500)
Hadith Takhrij« انظر حدیث رقم : (1343)، (تحفة الأشراف: 16104) (صحیح) »
Explanation & Benefits
Shaykh Umar Farooq Saeedi
1345. Commentary: Benefit: To end the prayer, even a single salutation (salam) is sufficient. In the night prayer (tahajjud), the Prophet (sallallahu alayhi wa sallam) used to act upon this.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 1345