Ключевые слова: adult, alarm, anger, anxiety, awake, awaken, bed, cant, caucasian, clock, concerns, darkness, depression, disorder, disturbed, evening, exhausted, fear, frustration, health, health care, insomnia, looking, male, man, medicine, mental, night, nightmare, opened, people, privation, problem, restless, sick, sleep, sleeping, sleepless, sleeplessness, staring, stress, stressed, thinking, tired, trouble, unhappy, vigil, worried, worry,