Mari Hirano

Profile

Mari developed an interest in sleep studies after experiencing insomnia herself. After graduating from university, she joined a major interior company, where she gained experience consulting on beds and overall bedroom environments for a wide range of clients, including hotels, rest houses, and embassies. Currently, she is Japan's only personal sleep trainer specializing in athletes, providing tailored sleep advice to major league pitcher Shintaro Fujinami, professional baseball players, J-League players, and Olympic athletes. Her guidance ranges from sleep timing for competitions to choosing the right bedding and pajamas.