Brain Sleep Inc. has conducted a study on pillow materials and sleep quality by comparing the urethane pillows widely used in Japan in the functional pillow field (hereinafter referred to as “general functional pillows”) with our main product, the Brain Sleep Pillow, which is a pillow for the brain to sleep.
In this study, we confirmed that using the Brain Sleep Pillow improved subjective sleep evaluations and increased the percentage of deep sleep in the “golden 90 minutes,” suggesting that using Brain Sleep pillows may lead to improved sleep quality.
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