(107) باب مَا يُقَالُ عِنْدَ النَّوْمِ
Farwah b. Nawfal quoted his father as saying that the Prophet (ﷺ) said to Nawfal (his father):
Recite (the Surah) 'Say, O you disbelievers!' and then go to sleep at its end, for it is a declaration of freedom from polytheism. (ID)
Reference (ID): Sunan Abi Dawud 5055 (ID)
In-book reference (ID): Book 43, Hadith 283 (ID)
English translation (ID): Book 42, Hadith 5037 (ID)