If you're short on time, here's a quick answer to your question: Most major airports allow you to remain past your flight's arrival for at least 2 hours and up to 24 hours in some cases. However, policies vary, so it's best to check with your specific airport.

Yes, you can generally rest or sleep at the airport after landing, provided the terminal remains open 24/7 and you stay within the public areas. Most travelers find it easier to sleep in the "landside" area (the public zone before security) after they have cleared customs and collected their bags. While many major international hubs are accustomed to "airport sleepers," some smaller or regional airports close their doors overnight for cleaning and security, and staff may ask you to leave if you don't have a departing flight for the next morning. For a more comfortable rest, many airports now offer sleep pods (like Minute Suites or Napcabs) or transit hotels that can be booked by the hour. If you choose to sleep on a bench or in a lounge area, it is vital to keep your luggage secured—ideally by using it as a pillow or tethering it to yourself—to prevent theft while you are asleep. As long as you are discreet and not blocking pathways, airport security usually tolerates resting passengers who are waiting for morning transportation or a connecting flight.