Ключевые слова: alarm, asleep, book, books, boy, child, childhood, clock, deadline, education, elementary, exam, exams, exhausted, fatigue, hardworking, headache, home, homework, kid, late, learning, lesson, little, man, management, missing, preparation, preparing, preschool, pressure, primary, pupil, reading, reminder, revising, school, schoolboy, sitting, sleep, sleeping, sleepy, student, study, studying, textbook, time, timely, tired, training,