In Nam Nao, a hotel must provide a certain amount of upscale conveniences to earn a 5-star rating. These can include on-site gyms, saunas and spas, gourmet restaurants, premium bedding, luxury bathroom products and more. What also sets 5-star hotels apart is their extraordinary standard of service. You can look forward to things like in-room massages, concierge services and nightly turn-down services. Some may also offer special touches such as a welcome gift.