Adjusting the temperature to 70℃ will do some harm to the human body. According to medical research, the thermal pain threshold of human skin is about 43℃. When the skin comes into contact with objects that exceed this temperature, it will feel pain and burning. Adjusting the temperature of the mattress to 70℃ will cause skin burns, scalds and other problems. 3D healthy sleep bar has unique massage function and sleep mode selection, which helps people to relieve fatigue, relax and improve sleep quality. Its overall design conforms to ergonomics, effectively disperses body weight, relieves pressure, and gives people all-round support and comfort.