Tatami, Futon, and the Japanese Way of Living on the Floor
By Yoshi | Japan Unveiled
The first thing foreign visitors notice when they stay in a traditional Japanese room is the floor.
Not the view from the window. Not the artwork in the tokonoma alcove. Not the careful arrangement of the space. The floor — the specific color and texture and smell of tatami, and the realization that there is no furniture on it. No bed frame. No sofa. No table at a height that requires chairs.
Everything happens at floor level.
This is, for many people raised in furniture-height living, a genuinely disorienting discovery. Where do you sit? Where do you sleep? What do you do with your legs for an entire evening of floor sitting?
The answers are: on cushions on the floor, on a futon on the floor, and you learn to fold them in ways that become comfortable surprisingly quickly. But behind these practical answers is something more interesting — a philosophy of living that the floor embodies, and that the tatami and the futon make possible.
Tatami (畳) — the woven rush-grass mat that covers the floors of traditional Japanese rooms — is one of the most distinctive elements of Japanese domestic architecture and one of the most specifically sensory. The smell of new tatami — clean, slightly sweet, the smell of dried rush grass — is one of the most immediately recognizable smells in Japan. The texture underfoot — firm but with a slight give, slightly rough but not abrasive — is unlike any other flooring material.
Traditional tatami mats are made from a core of compressed straw (tatami-doko) covered with a woven surface of dried igusa rush grass (tatami-omote), edged with fabric borders (tatami-heri). The standard size — the kyoma measurement used in the Kansai region — is approximately 191 cm × 95.5 cm, though regional variations exist. Japanese room sizes are still commonly described in tatami units: a six-mat room (roku-jo), an eight-mat room (hachi-jo).
Tatami has a specific lifespan. The surface layer yellows and compresses with use and should be replaced every few years; the entire mat every ten to fifteen years. The freshness of tatami — the bright green of new mats versus the golden yellow of older ones — is a visual indicator of a room’s maintenance. A room with fresh tatami is a room whose owner takes care.
The tatami room requires specific behavior. Shoes off at the entrance to the building is universal in Japan, but slippers — acceptable on wood or tile flooring — are also removed before stepping onto tatami. The tatami surface is not walked on in slippers. It is walked on in socked feet or bare feet only, gently.
The prohibition is practical: slippers concentrate pressure in a way that damages the woven surface. But it is also cultural — tatami is the surface on which you sit and sleep and receive guests, and its cleanliness is a matter of respect for both the room and the people in it.
The Futon: Sleeping on the Floor
The Japanese futon — not to be confused with the Western “futon sofa bed,” which is a different product — is a sleeping set comprising a thick cotton mattress (shikibuton) laid directly on the tatami and a cotton-filled quilt (kakebuton) for covering.
The futon is stored during the day — folded and placed in a deep closet (oshiire) that is a standard feature of traditional Japanese rooms. This storage is what makes the multi-purpose room possible: the same space that is a sitting room in the day becomes a bedroom at night. The rolling out of the futon in the evening is a ritual of preparing for sleep; the folding and storing in the morning is a ritual of preparing for the day.
This daily storage serves several practical functions. It airs the futon — futons store moisture from sleeping bodies and need regular exposure to air and sunlight to prevent mold and maintain their loft. Many Japanese households still air their futons by draping them over balcony railings on sunny days — the image is as characteristic of Japanese residential neighborhoods as any other.
The practice of storing bedding by day also reflects the Japanese domestic value of flexibility — the room that serves multiple functions is more efficient and more aesthetically coherent than the room dedicated permanently to sleeping. A room with a bed frame in it is always a bedroom. A room with its futon stored is, until night, simply a room.
Sleeping on a futon on tatami is, for people accustomed to raised beds and spring mattresses, an adjustment. The surface is firmer than most Western beds. The height — floor level — changes your relationship to the room’s proportions. There is a specific quality to waking up at floor level, with the tatami smell and the light through shoji screens, that I find I associate deeply with certain kinds of rest — the rest of traditional spaces, of places that have been designed for a different relationship with time.
The Low Table and Zabuton: Floor Sitting
The traditional Japanese sitting and dining space uses a low table — chabudai or kotatsu — around which people sit on flat cushions (zabuton) directly on the tatami.
The kotatsu deserves special mention because it is one of Japan’s most beloved domestic objects. A kotatsu is a low table with a heating element underneath, covered with a thick blanket that traps the heat. In winter, you sit at the kotatsu with your legs under the blanket, and the warmth from below is the specific, localized, deeply comfortable warmth that has made the kotatsu the object of intense affection in Japanese domestic culture. It is almost impossible to leave a kotatsu on a cold day. Many people fall asleep under them. This is considered a feature rather than a problem.
The sitting posture for formal situations on tatami is seiza — kneeling, with the buttocks resting on the heels, the back straight. Seiza is the correct posture for tea ceremony, for formal greetings, for receiving honored guests. It is also, for people not raised with it, extremely uncomfortable after about twenty minutes. The ability to sit in seiza for extended periods without discomfort is a product of childhood habituation that most Japanese adults under fifty no longer have.
For informal sitting, agura — cross-legged — is acceptable for men in most contexts. Yokozuwari — sitting with legs to one side — is a common posture for women. The specific rules vary by context and formality. The general principle: feet should not be pointed directly at another person, and soles of the feet should not be visible if it can be avoided.
The Tatami Room in Modern Japan
The traditional tatami room is disappearing from Japanese domestic architecture. New construction overwhelmingly uses wooden flooring throughout, with a single designated tatami room (washitsu) — one room with tatami and a tokonoma — included as a deliberate preservation of traditional form in an otherwise Western-style house.
The washitsu is used for guests, for special occasions, for the display of seasonal decorations in the tokonoma. In daily life, most Japanese families now live primarily in their Western-style rooms — on sofas, at dining tables, in beds with frames.
The tatami room is, in many contemporary Japanese homes, the room where the Buddhist altar (butsudan) sits, where the family gathers for New Year morning, where the futon is unrolled when someone is ill and needs to be rested in the traditional way. It is the room that carries the oldest associations, that smells most strongly of what Japanese domestic life was before it became what it is now.
I have a tatami room in my house. I sleep in it sometimes, on the futon, when I want to remember what sleeping at floor level feels like. The smell of the tatami is still there. The light through the shoji in the morning is still the specific color it has always been.
Some things change slowly.
— Yoshi 🏠 Central Japan, 2026
Enjoyed this? You might also like: “New Year in Japan: What Really Happens When the Country Shuts Down” and “Onsen: The Complete Guide to Japan’s Hot Spring Culture” — both available on Japan Unveiled.
