Sayyiduna Jabir (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) said: "In the month of Ramadan, in every day and night, some people are freed from Hell by Allah Almighty, and every Muslim has a particular supplication which, if he asks for it, is answered." (Allamah al-Haythami says:) I say:
Imam Ibn Majah recorded this narration with the part about the supplication abridged.
Imam al-Bazzar recorded this narration, and its narrators are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الأدعية / 17215