Brain Sleep Co., Ltd. held a limited-time pop-up store, “BRAIN SLEEP GOLDEN 90MIN FACTORY,” at the Bed, Bath & Powder Room / East Park on the 5th floor of the Isetan Shinjuku Main Building (Shinjuku, Tokyo) from Wednesday, March 5 to Tuesday, March 18, 2025.
This pop-up store offered visitors the opportunity to experience and purchase Brain Sleep’s products and services, all developed with a focus on the “golden 90 minutes” at the beginning of sleep — a critical period that greatly influences overall sleep quality.
As an exclusive item, the store also featured the “Brain Sleep Pillow Cover Silk” available for purchase.
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