indoor, surfing, sitting, movie, adult, one, caucasian, addiction, computer, evening, home, laptop, lifestyle, night, online, reading, remote work, screen, table, using, watching, alone, circadian rhythm, dark, darkness, disorder, female, freelance, freelance job, girl, insomnia, late, light, melatonin, melatonin sleep, room, sleep deprivation, sleep disorder, social media, social network, woman, work home, worker, working online, young