BRAIN SLEEP MATTRESS PLUS FLOAT
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} .intro2__ttl { font-size: 60px; padding: 10px 30px; border: 2px solid #fff; display: inline-block; margin-bottom: 32px; background-color: #091321; width: unset !important; } .mv__txt2 { font-size: 2vw!important; } .technology__link__lists .item { display: flex; } @media screen and (max-width:749px) { .intro2 { padding: 14vw 0 30px; background-image: url(https://cdn.shopify.com/s/files/1/0687/0610/7614/files/lp_mattress_premium_float_introbg_sp_v3.webp); } .intro2__ttl { padding: 2px 10px; margin-bottom: 16px; font-size: 5vw!important; } .mv__txt2 { font-size: 3.5vw!important; } } Ideal Sleeping Posture × Advanced Pressure DistributionA mattress that transforms the way you wake up Sleep is not just about time. It’s about quality The only mattress that brings together the methods of The Stanford Method for Ultimate Sound Sleep. We spend nearly a third of our lives asleep.When sleep quality is poor, the brain and body do not fully rest, making it difficult to perform at their natural best.Because sleep products are part of our everyday lives, why not reconsider sleep from the perspective of quality? The ultimate sleep environment, informed by the latest researchA mattress that allows the entire body to fall asleep faster and more deeply The ultimate sleeping posture×advanced pressure distribution Enhanced support and fitFeaturing an evolved zero-gravity technology The ultimate relaxed posture Designed to recreate the posture identified by NASA as placing minimal strain on the body Designed for the ultimate relaxed posture FLOATTECHNOLOGY Patent No. 7727279 A proprietary float structure that supports the legs, waist, and shoulders This structure enables a neutral sleeping posture and effective body pressure distribution, helping reduce physical strain during sleep. Advanced pressure distribution A hybrid responsive structure woven with countless springs.A seven-layer wire-wave construction firmly supports the body. Further contributes to core body temperature regulation Lowering core body temperaturefor deeper “golden 90 minutes” Sleep quality is largely influenced by the depth reached during the first 90 minutes after falling asleep.When this “golden 90 minutes” remains shallow, longer sleep alone does not necessarily improve quality.This BRAIN SLEEP mattress, designed with breathability in mind, helps lower core body temperature, guiding sleep toward greater depth. One mattressFor waking up refreshed. TECHNOLOGY 01Zero-gravity technologydesigned for ideal sleep posture 02Exceptional breathabilityfor cool, comfortable sleep 03Built for long-term durability &Resistant to dirt and easy to keep clean 01ZERO GRAVITY TECHNOLOGY Zero-gravity technologydesigned to create ideal sleep posture Pursues exceptional comfort by minimizing and evenly dispersing the physical pressure placed on the body during sleep,delivering ultimate sleep through the combination of "ideal sleep posture" and "advanced pressure dispersion". Recreating the neutral body posture proposed by NASAGuiding the body toward ultimate relaxation When the body is released in a weightless environment, the shoulders naturally settle inward and the legs rise slightly.This posture is considered one of the least physically demanding positions for the human body.Through its proprietary three-dimensional structure, the mattress creates a buoyant, floating-like rebound and adjusts firmness to the shoulders, lower back, and legs, guiding the body into ultimate relaxation—free from gravity. Elevating the legs enhances circulation and supports recovery from fatigue The leg section is designed to sit 4 cm higher than the chest, encouraging smoother blood flow back toward the upper body. This positioning helps ease feelings of fatigue and swelling. Blood circulation increases by approximately 150% When compared with a flat mattress and conventional raised-foot designs, this product shows an approximately 1.5× increase in blood flow. It is believed to help alleviate fatigue and swelling. It is believed to help alleviate fatigue and swelling. Countless fibers form a three-dimensional hybrid rebound structure, providing multidirectional support rather than support in a single plane.This structure responds optimally to variations in body weight and surface area across different zones.In addition, the proprietary seven-layer construction absorbs gravitational force and converts it into rebound energy—firmly supporting the body while helping maintain proper sleep posture. A new sensation of resilienceReduces physical strain through a seven-layer hybrid rebound structure Countless fibers form a three-dimensional hybrid rebound structure, providing multidirectional support rather than support in a single plane.This structure responds optimally to variations in body weight and surface area across different zones.In addition, the proprietary seven-layer construction absorbs gravitational force and converts it into rebound energy—firmly supporting the body while helping maintain proper sleep posture. Zoned support tailored to different body areas helps maintain an ideal sleeping posture A wire-shaped support core, “Wire Wave,” features fibers of varying thickness designed to correspond to different areas of the body, supporting the body from within the mattress.By accommodating differences in body pressure across each zone, it prevents excessive sinking and helps maintain an ideal sleeping posture. Firm support from the lower back to the hips, where the greatest pressure is placed on the body The maximum difference between conventional spring mattresses and this product is just 2 cm.Without placing strain on the body, the BRAIN SLEEP mattress provides stable support from the lower back to the hips—the heaviest area of the body—helping maintain proper sleeping posture. Ultra pressure dispersion supports natural turning, helping the body rest with less energy By maintaining proper sleeping posture, the mattress enables smooth, effortless turning during sleep.Its nine-layer structure repeatedly absorbs and rebounds in sync with body movement, supporting each turn throughout the night.By minimizing energy expenditure during sleep, it reduces physical strain and helps maintain comfort until morning. Energy expenditure during turning is reduced by approximately 52% A seven-layer structure supports the body from multiple directions, supporting natural turning during sleep. 02TEMPERATURE CONTROL Exceptional breathability keeps heat from building up, for lasting comfort A proprietary three-dimensional fiber structure delivers exceptional breathability.Every turn during sleep releases built-up heat and humidity. Controls temperature and humidity for optimal sleep through super-breathable materials To achieve quality sleep, maintaining proper temperature and humidity within the sleep environment is essential.With over 90% of its structure composed of air layers, heat and moisture generated during sleep do not build up, creating a consistently comfortable sleeping environment. Releases heat and moisture from perspiration, maintaining a comfortable sleep environment through the night Made with exceptionally breathable materials, this product releases heat generated during sleep as well as moisture from perspiration, helping keep the bed microclimate comfortable throughout the night. Test method: a subject lay on the mattress for 20 minutes while covered with a towel blanket at rest.Thermal images were taken before use and after 20 minutes using thermography. High level of heat dissipationprevents heat from accumulating The BRAIN SLEEP mattress features a highly breathable material that retains significantly less heat than other materials, inducing high-quality sleep throughout the night. 03CLEAN FOR LONG TIME& DURABILITY Stays clean, built to Last Conventional mattresses cannot be washed, and trapped moisture can lead to the growth of mold and dust mites.As a result, frequent replacement is often unavoidable.The BRAIN SLEEP Mattress is not only washable—its material itself resists moisture buildup, making it difficult for dust mites to thrive.This allows the mattress to remain clean and hygienic overtime. Washable with water for lasting cleanlinessHelps reduce dust mites and house dust The cover can be removed and machine-washed, and the mattress itself is also fully washable.The mattress can be rinsed clean in the shower, then simply air-dried in the shade—making maintenance easy and straightforward.Typical urethane or coil mattresses tend to trap heat and moisture due to poor breathability, creating an environment where dust mites and mold are more likely to grow.In contrast, the BRAIN SLEEP Mattress features excellent airflow, making it less prone to dust mites and mold. When house dust or dirt becomes a concern, the mattress can be washed at any time, helping maintain a consistently clean and hygienic sleep environment. Minimal mold growth Compared to other materials, BRAIN SLEEP mattress shows a significantly lower level of mold development.This makes it a considerate option for those sensitive to house dust and for households with small children. Minimal dust mites growth Compared to other materials, BRAIN SLEEP mattress shows a significantly lower level of dust mite development.This makes it a considerate option for those sensitive to house dust and for households with small children. Exceptional durability equivalent to 10 years of use Everyday use makes durability a key concern when choosing a mattress.This product has demonstrated high durability through compression testing equivalent to 80,000 cycles, in accordance with JIS standards.Even with long-term use, it continues to deliver stable comfort.*Durability may vary depending on usage conditions. MADE IN JAPANMeticulous craftsmanship,trusted quality Each mattress and pillow is carefully crafted, with skilled technicians and artisans conducting repeated quality checks by hand.After passing rigorous inspections, each item is meticulously packaged and delivered with care. Natural spring water with minimal impurities is used to prevent quality degradation The production process uses natural spring water from Shimizu Bakuen, designated as one of Toyonokuni’s 15 Famous Waters—a special soft water with exceptionally low levels of impurities.By using such pure water, unnecessary chemical reactions are avoided, helping to prevent any deterioration in quality. SCENE Designed to suit a variety of lifestyles A smart, minimalist design created to blend seamlessly into any space, with ease of use carefully considered. SPECSpecifications Size Single: L195 × W100 × H15 (leg height 19) cmSemi-double: L195 × W120 × H15 (leg height 19) cmDouble: L195 × W140 × H15 (leg height 19) cmQueen: L195 × W160 × H15 (leg height 19) cm Shoulder rest gradation Graduated firmness at the shoulder area Color Material Topper sheet: uuter fabric: 100% cotton lining fabric: 100% polyester (filling: 80% polyester, 20% rayon)Base cover: 100% polyesterInner material: 100% polyethylene A 100% recyclable, sustainable material The mattress core is made from 100% recyclable materials, designed with consideration for the environment. Sheets Designed for everyday useEasy to remove and machine-wash,featuring antimicrobial and deodorizing treatment for lasting cleanliness The topper sheet that covers the top of the mattress is easy to attach and remove, making it convenient for rotation and machine-washing whenever needed.The fabric is treated with antimicrobial and deodorizing processing to prevent the growth of bacteria and the development of unwanted odors. Comparison table Have questions about the product? The development team will answer your inquiries directly. Please feel contact us. When submitting an inquiry, please select “[BRAIN SLEEP] Inquiry for the Development Team” as the inquiry category.Contact us > RELATED PRODUCTS BRAIN SLEEP MATTRESS PREMIUM FLOAT White / Navy Zero-gravity technologyUltimate relaxation posture × Advanced pressure distribution Building on the core features of the BRAIN SLEEP MATTRESS FLOAT—including exceptional breathability, water-washable design, and support for an ultimate relaxation posture—this high-end model further elevates pressure distribution to the highest level. Purchase now BRAIN SLEEP MATTRESS FLOAT Use it on your existing bedding, or place it directly on the floor The MATTRESS FLOAT t is designed with a firm base surface that minimizes the influence of what lies beneath it.Whether placed on an existing mattress or futon, or used directly on flooring or tatami, this mattress adapts seamlessly to a wide range of sleep environments.With sufficient rebound and support, it delivers comfortable sleep even when used on its own.Its versatility also makes it a practical option as a futon-style mattress, convenient for temporary use or accommodating overnight guests. Purchase now Topper Sheet White A mattress sheet for easy replacement and washing◾️Compatible mattressBRAIN SLEEP MATTRESS PLUS FLOATMaterials outer fabric: 100% cotton (filling: 100% polyester) Purchase now FAQFrequently asked questions Find a Store You can also purchase this product at our retail stores. Product availability varies by location. For more details, please check here. Can the covers be machine-washed? Yes. Both the topper sheet and the base cover can be removed and machine-washed.When using a washing machine, please place the covers in a laundry net and use a machine with a capacity of 8 kg or more.Avoid using a washer-dryer or tumble drying. How should I care for the mattress core? You can rinse the mattress core with water in the shower.After washing, let it air-dry in a flat, well-ventilated area, out of direct sunlight.If odors or stains are a concern, we recommend using a mild, diluted neutral detergent. Can I use a futon dryer or an electric blanket on the mattress? No. Futon dryers or electric blankets cannot be used.Also avoid placing the mattress near heaters or other heating appliances, as heat may damage the materials. Do I need to place a sheet on the mattress? No additional sheet is required, as the topper sheet included in the set is easy to attach and remove, and can be machine-washed. Can I use commercially available sheets? Yes. Standard box sheets designed for mattresses up to 24 cm thick can be used.When using a box sheet, please place it over the topper sheet.BRAIN SLEEP mattress sheets are also compatible. How is it different from BRAIN SLEEP MATTRESS FLOAT and BRAIN SLEEP MATTRESS PREMIUM FLOAT? BRAIN SLEEP MATTRESS FLOAT is a compact, three-fold mattress that can also be used as an overlay, making it easy to store and flexible in use.BRAIN SLEEP MATTRESS PLUS FLOAT and BRAIN SLEEP MATTRESS PREMIUM FLOAT are designed for everyday use as regular mattresses.All three models feature Float Technology, which supports a neutral sleeping posture with gently elevated legs.The main difference lies in their internal construction and level of support:BRAIN SLEEP MATTRESS FLOAT has a 3-layer structureBRAIN SLEEP MATTRESS PLUS FLOAT has a 7-layer structureBRAIN SLEEP MATTRESS PREMIUM FLOAT has a 9-layer structureAs the number of layers increases, pressure distribution and overall support are further enhanced.For more details, please refer to the product comparison table. .spec__item__desc__text__content__title, #clean .technology__item__desc.tips .technology__item__desc__text__content__desc span, .technology__link__lists__title, .concept__txt, .fit__ttl, .sleep__info__quality__cold__text, .sleep__info__quality__golden__title, .sleep__info__book__text__title, .sleep__info__book__top, .mv__txt2, .rwlp__header__menu__link, .technology__item__desc__text__content__title, body.typesquare_option { font-family: "游ゴシック体", YuGothic, "Yu Gothic M", "游ゴシック Medium", "Yu Gothic Medium", "Yu Gothic Pr6N M", sans-serif; visibility: visible !important; opacity: 1 !important } .termina { font-family: Termina, "游ゴシック体", YuGothic, "Yu Gothic M", "游ゴシック Medium", "Yu Gothic Medium", "Yu Gothic Pr6N M", sans-serif !important; font-weight: 400 } #clean .technology__item__desc.tips .technology__item__desc__text__content__title { font-family: Termina, "游ゴシック体", YuGothic, "Yu Gothic M", "游ゴシック Medium", "Yu Gothic Medium", "Yu Gothic Pr6N M", sans-serif } .mv__caption__text span { font-family: "游ゴシック体", YuGothic, "Yu Gothic M", "游ゴシック Medium", "Yu Gothic Medium", "Yu Gothic Pr6N R", sans-serif } jQuery(function () { const n = location.search; n.indexOf("?ad_1") === 0 ? window.matchMedia("(max-width: 768px)").matches ? 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