when they are lying down (at her/his place)
when you [plural] are lying down (at her/his place)
when s/he is lying down (at her/his place)
when I am lying down (at her/his place)
when we (but not you) are lying down (at her/his place)
when we (you and I) are lying down (at her/his place)
when you are lying down (at her/his place)
