Yes, you can stay overnight at Madrid airport! There are a few different options for accommodations, including the Hilton Madrid Airport hotel. This hotel is located right in the airport, so you won’t have to go far to find a place to sleep. It’s also a great option if you have an early morning flight since you can just walk to the terminal.
If you’re looking for a more budget-friendly option, there are several hotels located near the airport. Many of these hotels offer shuttle service to and from the airport, so you don’t have to worry about how you’ll get there. And, if you’re worried about noise, don’t be – most of these hotels are located far enough away from the airport that you won’t be disturbed by any plane noise.
https://hotels-near-airport.com/where-can-i-rest-at-madrid-airport/
So, if you’re looking for a place to stay overnight before your flight out of Madrid, there are plenty of options to choose from. Whether you want the convenience of an airport hotel or the budget-friendly rates of a hotel near the airport, you’ll be able to find what you’re looking for.