Ключевые слова: afraid, aghast, alone, amazement, anxiety, anxious, asleep, awaken, aware, background, bed, boy, business, businessman, child, concept, dark, daze, emotion, expression, face, fear, fearful, fright, frightened, insomnia, male, man, nervous, night, panic, people, perspective, petrified, phobia, pillow, reaction, scared, sleeping, sound, spook, stress, stressed, terrified, vigilance, wake, white, women, work, young,