Leviticus 14:47 in the King James Version
And he that lieth in the house shall wash his clothes; and he that eateth in the house shall wash his clothes.
Context
46 “Moreover he who goes into the house while it is shut up shall be unclean until the evening.
47 He who lies down in the house shall wash his clothes; and he who eats in the house shall wash his clothes.
48 “If the priest shall come in, and examine it, and behold, the plague hasn’t spread in the house, after the house was plastered, then the priest shall pronounce the house clean, because the plague is healed.