Ergonomic design of the Japanese sleeping mat: fits the curve of the human body and helps correct the shape of a columnar tatami mattress. This design can improve sleep quality and relieve back stiffness. The mat adjusts to weight and sleeping position, relaxing the spine and supporting orthopedic function. Breathable construction: promotes air circulation through a vertical space structure to keep the floor mat dry and comfortable and to reduce moisture that can affect sleep. Easy to store: when not in use, it can be folded or rolled up and placed in a cabinet, taking up very little space and suitable for homes with limited storage. Multifunctional use: usable as a sleeping mat in the bedroom, a tatami in the living room, a children's play mat, or a yoga mat. It folds for easy storage and is also a practical companion for outdoor activities such as camping, providing a comfortable rest wherever you are. Use scenarios In the bedroom for daily sleeping: provides ergonomic support and potential relief from back stiffness while resting and sleeping. In the living room or play area: serves as a versatile mat for family seating, kids' play, or casual workouts, with easy storage when not in use. Outdoor camping or travel: acts as a compact, comfortable resting surface that can be unpacked and used anywhere, then rolled up for convenient packing.