Summary: Surveys of national sleeping habits and needs by household mattresses in response to the low quality of sleeping and inadequate sleeping hours, and in-depth studies of many cross-sector leading technologies have been developed over the past three years, with home mattresses presented at a new distribution meeting at the end of March this year with a response from the subversive mattre industry, its Winesh science and technology and its new arrivals. In the post-epidemiology era, peop...