اَللَّاوِيِّينَ 15:5

وَمَنْ مَسَّ فِرَاشَهُ يَغْسِلُ ثِيَابَهُ وَيَسْتَحِمُّ بِمَاءٍ، وَيَكُونُ نَجِسًا إِلَى ٱلْمَسَاءِ.

And whosoever toucheth his bed shall wash his clothes, and bathe himself in water, and be unclean until the even.