Hadith 3633
Musnad of Abdullah bin Mas'ood
It was narrated that 'Abdur-Rahman bin Abi ‘Alqamah said: I heard Ibn Mas'ood (رضي الله عنه) say:
The Prophet (ﷺ) came from al-Hudaibiyah at night, and we halted at some sandy ground. He said: “Who will keep watch?" Bilal said: I will. He said: “But you might fall asleep.” He said: No (I will not). But he slept until the sun rose, then some people woke up, including ‘Umar, who said: Speak. The Prophet (ﷺ) woke up and said: "Do what you usually do." When they had done that, he said: “This is what you should do, if anyone among you falls asleep or forgets.”
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