Digital health leverages information and communication technologies to transform healthcare, enabling diverse solutions for continuous health management. Among these, wearable-based digital health plays a key role by collecting, monitoring, and analyzing physiological data over extended periods. In this lecture, I will introduce the sleep-related features of Samsung\u2019s Galaxy Watch series, focusing on the biosignals that can be acquired from the wrist and how they are processed. I will also share practical insights from the research and validation processes that enabled these features. Through this, I aim to show how your specialized, in-depth research can be translated into real-world, impactful digital health applications, and what key factors must be considered in that process.<\/p>\n
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