Ключевые слова: academic, asleep, back, board, book, books, class, classroom, college, demotivated, desk, education, exam, exhausted, fatigue, graduate, hardworking, high, homework, learn, learning, lesson, man, nap, napping, preparation, preparing, pressure, reading, research, sad, school, sleep, sleeping, sleepy, stressed, student, study, studying, textbook, textbooks, tired, to, trainee, training, unhappy, university, upset, white, whiteboard,