Joshua 2:8 Halakhah

וְהֵ֖מָּה טֶ֣רֶם יִשְׁכָּב֑וּן וְהִ֛יא עָלְתָ֥ה עֲלֵיהֶ֖ם עַל־הַגָּֽג׃

And before they were laid down, she came up unto them upon the roof;