Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “When one of you goes to his bed, let him clean his bed with his garment, for he does not know what was left upon it. Then, let him say: By Your name, O Lord, I place my side and by You I rise. If You take my soul, have mercy on me. If You send it back, protect it with the protection of your righteous servants.”
Source: Ṣaḥīḥ al-Bukhārī 6320, Ṣaḥīḥ Muslim 2714
Grade: Muttafaqun Alayhi (authenticity agreed upon) according to Al-Bukhari and Muslim
عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا أَوَى أَحَدُكُمْ إِلَى فِرَاشِهِ فَلْيَنْفُضْ فِرَاشَهُ بِدَاخِلَةِ إِزَارِهِ فَإِنَّهُ لَا يَدْرِي مَا خَلَفَهُ عَلَيْهِ ثُمَّ يَقُولُ بِاسْمِكَ رَبِّ وَضَعْتُ جَنْبِي وَبِكَ أَرْفَعُهُ إِنْ أَمْسَكْتَ نَفْسِي فَارْحَمْهَا وَإِنْ أَرْسَلْتَهَا فَاحْفَظْهَا بِمَا تَحْفَظُ بِهِ عِبَادَكَ الصَّالِحِينَ
6320 صحيح البخاري كتاب الدعوات باب التعوذ والقراءة عند المنام
2714 صحيح مسلم كتاب الذكر والدعاء والتوبة والاستغفار باب ما يقول عند النوم وأخذ المضجع