Ключевые слова: adult, background, bedroom, black, bullying, caucasian, cell, child, couch, covering, curious, dark, depressed, depression, device, face, fatigue, female, girl, hand, insomnia, internet, lay, light, lying, melatonin, mobile, news, night, online, person, phone, pillow, read, screen, scrolling, sleep, sleepless, sleepy, smart, smartphone, social, stress, technology, texting, tired, window, woman, worried, young,