It is narrated from Sayyiduna Ibn Amr, may Allah be pleased with him, that when the Noble Prophet, peace and blessings be upon him, would lie down to sleep, he would say: O Lord, in Your name I have laid down my side, so forgive my sins.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 6620
Hadith Gradingحکم دارالسلام:حسن لغيره، وهذا إسناد ضعيف، ابن لهيعة، وحيي كلاهما ضعيف