adult
ball pen
books
college
concentration
education
feeling exhausted
female
fingers
glasses
hands
higher study
holding
indoors
learning
library books
mobile phone
napping
notebook
one
paper
pen
person
pupil
room
school
selective focus
sitting
sleeping
student
study
studying
table
teenager
textbook
through the books
tired of studying
unrecognizable person
view
writing
young