Ключевые слова: adult, annoyed, anxiety, asleep, awake, bad, bed, colors, dark, depressed, difficulty, disorder, disturbed, dream, early, fatigue, frustrated, hangover, headache, illness, insomnia, lack, loneliness, morning, night, nightmare, noise, people, problem, relaxation, restless, room, sad, sick, sleep, sleepless, slumber, sound, stress, suffer, thinking, time, tired, trouble, unable, upset, wake, worry, young,