Brain Sleep Co., Ltd. was founded on May 8, 2019 with the slogan "Get the best sleep, live the best life." Brain Sleep, founded by Nishino, the director of the Stanford University Sleep Biorhythm Laboratory, known as the world's most cutting-edge sleep research institute, combines cutting-edge sleep medicine and sleep therapy to help people achieve the best possible sleep and solve various social problems caused by the accumulation of sleep debt.