For Entrusting Your Affairs to Allah Before Sleep
اللَّهُمَّ أَسْلَمْتُ نَفْسِي إِلَيْكَ، وَفَوَّضْتُ أَمْرِي إِلَيْكَ، وَوَجَّهْتُ وَجْهِي إِلَيْكَ، وَأَلْجَأْتُ ظَهْرِي إِلَيْكَ، رَغْبَةً وَرَهْبَةً إِلَيْكَ، لَا مَلْجَأَ وَلَا مَنْجَا مِنْكَ إِلَّا إِلَيْكَ، آمَنْتُ بِكِتَابِكَ الَّذِي أَنْزَلْتَ، وَبِنَبِيِّكَ الَّذِي أَرْسَلْتَ
Allāhumma aslamtu nafsī ilayk, wa fawwaḍtu amrī ilayk, wa wajjahtu wajhī ilayk, wa aljaʾtu ẓahrī ilayk, raghbatan wa rahbatan ilayk. Lā maljaʾa wa lā manjā minka illā ilayk. Āmantu bi-kitābikal-ladhī anzalt, wa bi-nabiyyikal-ladhī arsalt.
O Allah, I submit myself to You, entrust my affairs to You, turn my face to You and place my reliance upon You, in hope and fear of You. There is no refuge or escape from You except with You. I believe in Your Book which You revealed and Your Prophet whom You sent.
Source: Hisnul Muslim #107