Joshua 2:8 (BSB)

Before the spies lay down for the night, Rahab went up on the roof

From Joshua 2. Also in the ESV.

Commentary on Joshua 2:8

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Joshua 2:8-21: The matter is here settled between Rahab and the spies respecting the service she was now to do for them, and the favour they were afterwards to show to her. She secures them on condition that they should secure her. I. She gives them, and by them sends to Joshua and Israel, all the encouragement that could be desired to make their intended descent upon Canaan.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Joshua 2:8: And before they were laid down,.... Under the stalks of the flax; or rather, since they are said to be hid in them, before they were fallen asleep, so Kimchi and Abarbinel: she came up unto them upon the roof; to acquaint them how things were, and to converse with them on the following subjects.
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Joshua 2:8-21: THE COVENANT BETWEEN HER AND THEM. (Jos 2:8-21) she came up unto them upon the roof and said--Rahab's dialogue is full of interest, as showing the universal panic and consternation of the Canaanites on the one hand (Jos 24:11; Deu 2:25), and her strong convictions on the other, founded on a knowledge of the divine promise, and the stupendous miracles that had opened the way...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Joshua 2:8-9: Jos 2:8-9 Notwithstanding these precautions, the men escaped. As soon as the officers had left Rahab’s house, she went to the spies, who were concealed upon the roof, before they had lain down to sleep, which they were probably about to do upon the roof, - a thing of frequent occurrence in the East in summer time, - and confessed to them all that she...