Leviticus 15:24 in the King James Version
And if any man lie with her at all, and her flowers be upon him, he shall be unclean seven days; and all the bed whereon he lieth shall be unclean.
Context
23 If it is on the bed, or on anything she sits on, when he touches it, he shall be unclean until the evening.
24 “‘If any man lies with her, and her monthly flow is on him, he shall be unclean seven days; and every bed he lies on shall be unclean.
25 “‘If a woman has a discharge of her blood many days not in the time of her period, or if she has a discharge beyond the time of her period, all the days of the discharge of her uncleanness shall be as in the days of her period. She is unclean.