Ключевые слова: academic, asleep, assignment, back, book, books, burnout, class, classroom, college, course, desk, education, exam, exhausted, fatigue, graduate, graduation, high, homework, learning, lesson, library, man, nap, napping, preparation, preparing, public, reading, research, revising, school, science, sleep, sleeping, sleepy, student, study, studying, teenager, textbook, textbooks, tired, to, trainee, training, unhappy, university, young,