It was narrated that Zirr said: “I asked Safwan bin ‘Assal about wiping over the Khuffs, and he said: ‘The Messenger of Allah صلی اللہ علیہ وآلہ وسلم used to tell us, when we were traveling, to wipe over our Khuffs and not take them off for three nights in the event of defecating, urinating or sleeping; only in the case of Janabah. “ (Hasan)