«إياك والسمر بعد هدأة الرجل فإنكم لا تدرون ما يأتي الله في خلقه»
The Prophet (peace and blessings be upon him) said:
"Beware of talking late into the night after people have gone to sleep, for you do not know what (decree or matter) Allah is about to bring about among His creation."
Hadith Referenceصحیح الجامع الصغیر / حرف الألف / 2670