Anyone who touches his bed must wash his clothes and bathe with water, and he will be unclean until evening.
We have here the law concerning the ceremonial uncleanness that was contracted by running issues in men. It is called in the margin (Lev 15:2) the running of the reins: a very grievous and loathsome disease, which was, usually the effect and consequent of wantonness and uncleanness, and a dissolute course of life, filling men's bones with the sins of their youth, and leaving them...
Commenting on Leviticus 15:1-18
And whosoever toucheth his bed,.... Is unclean. According to the Misnah (x), a bed defiles a man seven ways, so as to defile garments; standing, sitting, lying, hanging, and leaning, and by touching, and by bearing: shall wash his clothes, and bathe himself in water; in forty seahs of water, as the Targum of Jonathan: and be unclean until the even; be unfit for conversation...
Lev 15:4-8 Every bed upon which he lay, and everything upon which he sat, was defiled in consequence; also every one who touched his bed (Lev 15:5), or sat upon it (Lev 15:6), or touched his flesh, i.e., his body (Lev 15:7), was unclean, and had to bathe himself and wash his clothes in consequence.
Commenting on Leviticus 15:4-8