Ключевые слова: alarm, background, bedroom, bedside, bedtime, chronic, clock, dark, deprivation, diagnosis, digital, disease, disorder, electronic, fatigue, glass, health, illness, indoors, insomnia, lifestyle, light, medical, medication, medicine, melatonin, night, nightstand, object, pharmacy, pills, problem, remedy, rest, routine, sedative, sickness, sleep, sleeplessness, soporific, suffer, supplement, symptom, table, tablet, therapy, time, treatment, unhealthy, water,