All Hermione had told Harry and Ron was that they needed to skive of their next lesson and meet her in the room of requirement. Hermione asking them skive of lessons was insane. Her passing them one of the confiscated skiving snack boxes had both of them checking her temperature and asking if was feeling ill or if Snape had poisoned her. Ron even tried to prove that she was a polyjuiced George or Fred who’d come back for another epic prank on Umbridge.