Ключевые слова: activity, aesthetic, analysis, atmosphere, background, blurred, bokeh, cardiovascular, city, dark, data, design, device, digital, display, electronic, evening, exercise, fitness, glow, glowing, gym, health, heartbeat, illuminated, illustration, innovation, interface, lifestyle, light, lights, measurement, modern, monitor, monitoring, night, nighttime, pulse, readings, relaxation, screen, sports, tech, technology, tracker, tracking, user, vibrant, warm, wearable, wellness,