In Yang Khi Nok, a hotel is required to offer a specific amount of high-end amenities to be designated 5 stars. These can include on-site gyms, spas and saunas, gourmet restaurants, complimentary luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their superior service. You can look forward to things like nightly turn-down services, in-room massages and concierge services. Some may also offer thoughtful touches like a welcome gift.