´Safwan bin 'Assal said:` "When we were with the Messenger of Allah (ﷺ) on a journey, he told us not to take them off for three days except in the case of Janabah, but not in the case of defecation, urinating or sleep."
Hadith ReferenceSunan an-Nasa'i / Description Of Wudu / Hadith: 159
Hadith Gradingالألبانی:حسن | زبیر علی زئی:إسناده حسن