(23) باب فِي اللَّيْلِ سَاعَةٌ مُسْتَجَابٌ فِيهَا الدُّعَاءُ
Jabir reported:
I heard the Messenger of Allah (ﷺ) as saying: There is an hour during the night in which no Muslim bondman will ask Allah for good in this world and the next but He will grant it to him.
Reference: Sahih Muslim 757 b
In-book reference: Book 6, Hadith 200
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1655