Ключевые слова: anxiety, awake, bedroom, bedtime, causes, clock, concern, confusion, depression, difficulty, disappointment, disease, disorder, exhausted, exhaustion, fatigue, frustration, headache, home, insomnia, lazy, mask, night, nightmare, pillow, pills, restless, sad, sadness, sick, sleep, sleepless, sleeplessness, stars, stress, stressed, thermometer, tired, unhappy, worry,