In Na Rung, a hotel must offer a specific level of upscale conveniences to earn a 5-star rating. These may include on-site gyms, saunas and spas, gourmet restaurants, premium bedding, complimentary luxury toiletries and more. What also sets 5-star hotels apart is their guest-centric service. You can look forward to things like concierge services, nightly turn-down services and in-room massage. Some may even offer additional touches like welcome gifts.