Ключевые слова: adult, anxiety, awake, background, bed, bedtime, biracial, chronic, collage, collection, covering, depression, different, disease, disorder, dream, exhausted, fatigue, group, health, home, illness, indoors, insomnia, lifestyle, lying, male, man, many, mental, mixed, multiracial, night, nightmare, person, pillow, problem, race, sad, set, sleep, sleepless, sleeplessness, stress, suffering, tired, top, trouble, unhappy, view,