When “Raid the Castle” started, it was broad daylight, and it’s heavily implied that Star has been packing for said raid ever since the previous episode, since she wants to leave ASAP.
And when we cut to Star explaining what we already know to her parents, so that means the trip to Mewni and the explanation combined must have taken six hours minimum. And then-
Star goes and tries to write down EVERY SPELL SHE’S EVER LEARNED. That’s two nights of sleep wasted for a fourteen year old girl who’s not even allowed to eat sugar, let alone caffeine. Stop burning the candle at both ends, your majesty. That book’s not going to be written in one night.
Wait… Hold up. Stop whatever you’re doing and read this. This is a very important message from me to you. You need to understand that what you read in the next few sentences are one of the most important things you’ll ever hear and you need to understand that: you are loved, you are valid, you are important. And sometimes being reminded as such can make someones day a little brighter.