Core Concept - The concept of "doomsday safe houses" has recently gained popularity as a new aid for sleep, with people finding comfort in AI-generated videos depicting these scenarios during extreme weather conditions [5][13][23] Group 1: Doomsday Safe Houses - Doomsday safe houses are often depicted as single rooms with a soft bed, where the harsher the external environment, the more comfortable the interior feels [5][9] - The appeal of doomsday themes lies in the psychological comfort they provide, allowing individuals to fantasize about survival in a controlled environment amidst chaos [11][14] - The trend reflects a broader cultural fascination with apocalyptic scenarios, as seen in various literary and media works, and has led to practical preparations by some survivalists [11][14] Group 2: Sleep Economy - A significant portion of the adult population experiences sleep disturbances, with a reported 48.5% of adults facing such issues, particularly in urban areas [18] - The sleep economy in China is projected to exceed 650 billion yuan by 2027, indicating a growing market for sleep-related products and services [18] - Live streaming of sleep aid content, including doomsday safe houses, is becoming a popular method for providing companionship and relaxation, with a diverse range of creators contributing to this space [18][20] Group 3: Future of Sleep Aids - The integration of advanced technologies like VR and smart glasses may enhance the immersive experience of sleep aids, allowing users to feel fully present in comforting environments [20][21] - The shift from individual sleep products to creating comprehensive sleep environments represents a potential evolution in the sleep consumption ecosystem [21][23] - The emergence of doomsday safe houses as a sleep aid reflects a societal acceptance of external chaos, leading individuals to seek solace in imagined safe spaces [23]