If memory serves, they tried that once but it was almost as expensive as just getting a room There's so much to do though, it's better just to get a room
Exclusivity
Then it wouldn't be as fun without spending the night. Nothing special about the pool. You could go to many other fun pools for a fraction of the cost.
If you have to stay over night your more likely to spend money on all their other ridiculously overpriced activities, so they make you stay.
Thanks! Your answer is awaiting moderation.