I flew 8 hours in United Polaris business class. The lie-flat seat was comfier than my own bed.
United Polaris business class delivered a restful lie-flat sleep, premium lounge dining, and luxury amenities that improved red-eye travel and justified an upgrade.
These 10 US Airport Lounges Boast High-End Offerings Worth The Splurge - PlanetWare
Modern U.S. airport lounges offer boutique-hotel-level dining, design, and amenities but often require costly access through premium fares, credit cards, or elite status.