Ключевые слова: apnea, awake, bad, bed, bedroom, begging, caucasian, dawn, daylight, depressed, depression, difficulties, disorders, dream, dreamless, gloomy, insomnia, insomniac, lack, loneliness, lonely, lying, male, man, motionless, negative, nightmares, people, problems, restless, sad, sadness, sleep, sleeping, sleepless, sleeplessness, sleepwear, stress, trouble, unhappiness, worry,