Ключевые слова: app, application, asleep, background, business, cardio, care, cellphone, checkup, closeup, communication, computer, concept, control, credit, device, digital, finance, gadget, hand, health, healthcare, heart, heartbeat, holding, human, indoors, internet, keyboard, laptop, lifestyle, man, mobile, modern, monitor, nap, notebook, online, people, person, phone, pulse, rate, screen, sleep, smartphone, technology, touchscreen, tracker,