´It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:` “The Muslim man has no right to spend two nights, if he has something for which a will should be made, without having a written will with him.”
Hadith ReferenceSunan Ibn Majah / The Chapters on Wills / Hadith: 2699
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم