Ключевые слова: alarm, anxiety, asleep, awake, bad, bed, cover, dark, depression, difficulty, disorder, dream, exhausted, exhaustion, face, fall, fatigue, fear, frustrated, headache, hurt, insomnia, lack, lying, man, night, nightmare, one, person, pillow, problem, sad, scared, sick, sleep, sleepless, sleepy, smog, smoke, stress, time, tired, trouble, trying, unhappy, worry, young,