Well, before the 5% was contributed by the stick. The extra 1% came from cloth underwear. Let's not think too hard on it. Also, we're down to 1 silver now. 10 hours, 24 fatigue. From the wiki table, it seems like sleeping on the floor would still leave about 3 fatigue with 16 hours sleep. She can't afford better, has no bedroll/tents, and can't afford other resting options. So sleeping on the floor is the best we have.