Jami` at-Tirmidhi 613
جامع الترمذي#613Da'ifAmmar narrated:"The Prophet permitted the Junub when he wanted to eat, drink, or sleep, to perform Wudu like the Wudu for Salat
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 6:70