As a gold medal sleeper tester of the "Antaju" hotel chain, she had just completed an intensive evaluation mission for half a month - from a bamboo house B&B in the hot and humid area of Lingnan, to a starry sky tent on the edge of the Saibei desert, to a century-old house renovated into a hotel in a water town in the south of the Yangtze River. Her body felt like it had been thrown into a drum washing machine for three days and three nights, and her bones were sore and soft.