In the fast-paced modern life, taking a warm and comfortable hot bath, especially being in a deep bathtub, has become an ideal way for many people to relieve stress and relax their bodies and minds. Deep soaking bathtubs, with their high water level and strong wrapping ability, can better cover the body and offer an immersive relaxation experience. However, a longer bath time is not necessarily better, especially when using a deep bathtub. Factors such as water temperature, duration, and personal constitution all need to be comprehensively considered. So, how long is the most appropriate time to soak in a deep bathtub? This article will provide you with a detailed analysis from multiple dimensions to help you take a bath scientifically and enjoy a healthy life