The Japanese eat and sleep on the floor. They eat dinner sitting on the floor and then after taking a bath the Japanese pull a futon out of their closet and spread it out on the floor. Why is that so? Why do the Japanese eat and sleep on the Floor?In short, the Japanese have traditionally eaten and slept on the floor for a very long time. And they want to protect their culture and customs. Another reason why they sleep and eat on the floor is that the soft tatami mats don’t allow for heavy furniture because it would leave marks on the floors. Japan also experiences many earthquakes. Having much furniture like chairs wouldn’t be a good thing. Lastly, sleeping and eating on the floor preserve space.