Ключевые слова: asleep, books, boring, boy, caucasian, class, classmates, course, desk, education, energy, exhausted, exhaustion, fall, fatigue, fatigued, female, four, friends, girls, guy, homework, learning, library, lying, male, nap, napping, one, overworked, pupils, relax, relaxation, relaxing, rest, resting, school, sleep, sleeping, sleepy, students, studying, table, teenagers, teens, textbooks, three, tired, together, writing,