Ключевые слова: adolescent, alarm, asian, asleep, bedtime, book, bored, boy, caucasian, child, clock, concept, dream, education, exam, exhausted, fall, glasses, hard, indoor, intelligent, late, lazy, learn, nap, night, one, paper, person, read, rest, school, sleep, sleeping, smart, snore, study, teen, teenager, test, thailand, time, tired, working, young,