Have you ever played a video game where you have to sleep to recover? They only let you do it if everything is safe. Otherwise they won’t let you sleep. You’ll get a message, saying “You cannot sleep now, there are monsters nearby.”
Now, remember the last time you just couldn’t get to sleep?
okay but like could you imagine all the muggle born students coming back to hogwarts after summer break and catching up on what movies they saw, what they thought of season finales, what concerts they went to and off to the side the wizard raised kids are staring at them in confusion and suddenly one of them just whispers