It was narrated from ‘Amir bin Sa’d, from his father, that the Messenger of Allah (ﷺ) used to say the Salam to his right and to his left.

لا تلتقي أسانيد هذه الأحاديث عند راوٍ واحد، وهي على ٤٥ رواة في أعلاها.