Ключевые слова: academic, asleep, book, books, campus, college, dark, dormitory, education, educational, evening, exam, examination, exams, exhausted, fatigue, girl, home, homework, hours, knowledge, late, learn, learning, long, nap, napping, night, overtime, preparation, preparing, reading, research, revising, revision, school, science, sleep, sleeping, sleepy, smart, student, study, studying, textbook, textbooks, tired, university, woman, young,