Combine smartwatch to measure the heart rate accurately. After understanding the user's daily routine, detect user's sleep quality and exercise amount, MUJI Sleep will give appropriate advice according to the user's personal conditions to help the user improve their sleep quality. Design Details: https://www.jiarong.rocks/muji-design Case Studies: https://www.jiarong.rocks/muji-study Other Projects: https://www.jiarong.rocks/projects-app