Brain Sleep Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; Representative Director: Atsushi Hirota; hereinafter "Brain Sleep") will launch the "Brain Sleep Eye Mask Hot + Cool" (hereinafter "eye mask"), which not only blocks light and sound but also features added hot and cold functions that can be used depending on symptoms and conditions, on the Brain Sleep official website starting February 13 (Thursday) at 11:00 AM.This product uses an auto-fit material that conforms to the skin by sensing body temperature and blocks light leaking through gaps around the nose. The eye area has a 3D structure that prevents pressure, and the 360° wrap-around design covers the ears, cutting out noise that interferes with sleep. Additionally, it is treated to be less electrostatic to prevent indoor pollen from adhering, blocking pollen even while sleeping. The gel embedded in the inner layer has a 2-way hot and cold design, which not only alleviates eye fatigue from overuse but also eases symptoms during pollen season, leading to comfortable sleep all year round. Negative impact of light and sound on sleep To improve sleep quality, it is important to control sound and light as much as possible and create a relaxing environment. The "Sleep Guide for Health Promotion 2023" published by the Ministry of Health, Labour and Welfare states that creating a suitable environment is crucial for good sleep※1, and research has also reported that the louder the noise heard during sleep, the shallower the sleep※2. Various environmental sounds, such as car noise and electronic device notifications, which are difficult to avoid in daily life, unconsciously disrupt sleep. Furthermore, it is known that sleeping in a bright environment can increase the time spent in wakefulness during the night※3 and decrease deep sleep (non-REM sleep)※4, thereby lowering sleep quality. To address this, Brain Sleep has developed and will launch the "Brain Sleep Eye Mask Hot + Cool," a functional eye mask specialized for sleep that blocks light and sound and allows users to control warmth and coolness according to their physical condition, as an item to support an ideal sleep environment. ※1 Ministry of Health, Labour and Welfare "Sleep Guide for Health Promotion 2023" https://www.mhlw.go.jp/content/001305530.pdf※2 Coppello M, et al. (2024). https://doi.org/10.1093/sleep/zsae067.0168※3 Kobayashi R, et al. (2002). https://doi.org/10.1046/j.1440-1819.1999.00486.x※4 Grimaldi D, et al. (2021). https://doi.org/10.1093/sleep/zsab072.011 Features of "Brain Sleep Eye Mask Hot + Cool" 01 HOT & COOLUltimate eye care with both hot and cold functionsThe inner gel has a 2-way hot and cold design, allowing users to choose between hot and cold depending on their symptoms and condition.Whether used hot or cold, the temperature gradually approaches body temperature, leading to comfortable sleep.HOT promotes blood circulation, improves nasal passages, and eases breathing. It is also recommended when you feel eye fatigue.COOL reduces inflammation and relieves eye itchiness. The gel is soft with a moderate weight, making it comfortable to wear until morning.02 3D AUTOFIT TECHNOLOGY360° seamless, gentle wrapThe auto-fit material senses body temperature and naturally conforms to the contours of the nose, blocking light that leaks through gaps. With 99.99% light-blocking capability, it creates an ideal sleep environment. Furthermore, its 360° wrap-around design covers the ears, reducing distracting noises.To ensure no pain or discomfort even when worn until morning, it features a three-dimensional structure that does not press on the eyes and a cushioning, integrated shape from the eyes to the strap, achieving a comfortable fit.03 ANTI ELECTRIC & PERFECT CLEANPrevents pollen adhesion and is fully washable for always clean useMade of washable material, it can be completely laundered, is wrinkle-resistant, and quick-drying, allowing for always clean use.Furthermore, it is treated with an anti-electric process to prevent static electricity build-up, thereby hindering pollen adhesion indoors. "Brain Sleep Eye Mask Hot + Cool" Product Details Product Name: Brain Sleep Eye Mask Hot + CoolURL: https://brain-sleep.com/products/eyemaskSize: [Eye Mask] Approx. 70.5 x 11 (cm)[Eye Mask Gel] Approx. 18 x 8 (cm)Materials: [Eye Mask]Outer fabric: Nylon 65%, Polyurethane 35%Filling: Urethane foam[Eye Mask Gel]Outer fabric: Nylon, PolyethyleneFilling: Water, antifreeze, conditioner, CMC, preservativeHOT: Heat the hot/cold gel in a microwave oven (500W) for 20 seconds. *Please be careful not to overheat.COOL: Cool in the refrigerator for at least 3 hours.
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