It illuminates something about the "1-hour of combat" interpretation. Attentive players could track their activity during a dungeon, where distances are short, and claim rests retrospectively. Possibly insisting that their DM has a degree of obligation to remind them! (I think not, but implied under "Bit o' both".)
Say they did; imagining that they used up their walking, they would be on a forced halt for seven hours. Where that becomes interesting is if they took that seven hours at the start rather than the end. So it is rest, rest, rest, rest, rest, rest, rest, adventure, claim long rest! I'm not saying a DM should allow this, but it seems legal under the given interpretation.