Futon mattress is traditional Japanese bedding. You can relax on it because it supports your back and lower back with a comfortable firmness. After a while lying down, you will fall into a good, deep sleep. If you switch from a bed to a Japanese Futon mattress, it may take some time to get used to it. However, by the time you realize it, you will already be addicted to the comfort of the Japanese Futon mattress!