Nafi' reported that Ibn 'Umar regarded halt at Muhassab as Sunnah (of the Holy Prophet) and observed the noon prayer on Yaum al-Nafr at that place. Nafi' said:
Allah's Messenger (ﷺ) halted at Muhassab and the Caliphs did the same after him.
Reference: Sahih Muslim 1310 b In-book : Book 15, Hadith 372 USC-MSA web (English) : Book 7, Hadith 3007 (deprecated)
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