Sahih Muslim · Hadith 7068
The Book Pertaining to the Remembrance of Allah; Supplication; Repentance and Seeking Forgiveness - كتاب الذكر والدعاء والتوبة والاستغفار
وحدثنا أبو كريب، حدثنا عبدة، عن عبيد الله بن عمر، بهذا الإسناد وقال " ثم ليقل باسمك ربي وضعت جنبي فإن أحييت نفسي فارحمها " .
This hadith has been narrated on the authority of Ubaidullah b. Umar with the same chain of transmitters and he said: Then utter:" My Lord. with Thine name I place my side and if Thou keepest me alive have mercy upon myself"
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).