Ключевые слова: academic, asleep, assignment, back, book, books, classroom, college, diligent, education, educational, exam, exams, exhausted, fatigue, graduate, graduation, high, home, homework, knowledge, learning, lesson, library, man, many, nap, napping, preparation, preparing, public, reading, research, revising, revision, school, sleeping, sleepy, student, study, studying, teenager, textbook, textbooks, tired, to, trainee, training, university, young,