131. Powerful Masnoon Daily Islamic Dua to Sleep
بِاسْمِكَ رَبِّي وَضَعْتُ جَنْبِيْ فَاغْفِرْ لِي ذَنْبِيْ
بِاسْمِكَ رَبِّيْ وَضَعْتُ جَنْبِيْ فَاغْفِرْ لِيْ ذَنْۢبِيْ
Bismika Rabbi Wada`tu janbi, faghfir lee janbi
Translation
O my Lord, I have slept in your name. You forgive my sins.
Abdullah Ibn Amr (RA) said that the Prophet (ﷺ) used to say the above dua when he was lying in bed to sleep.