academic

asleep

book

books

boredom

casual

caucasian

college

concept

desk

education

educational

examination

exercise

exhausted

fatigue

hard

highschool

homework

indoors

information

knowledge

laziness

learning

lifestyle

male

man

napping

overtime

overwork

overworked

preparation

preparing

project

relaxing

school

sleep

sleeping

student

study

studying

table

teen

teenager

tire

tired

university

workplace

young

youth