A young man yawns as he works quietly at a desk and writes.
A young man works at his desk and yawns and a teacher talks in the back ground.
A young man is sitting in a classroom and trying to write something while he is yawning
A boy is sitting at a desk writing and yawning.
A boy is writing at a desk and yawns because his is very tired.
A young man is sitting at a desk and writing something while someone else is talking.
A student yawns at his desk while trying to work on something.
A young man in a t-shirt is yawning while writing something while in a classroom.
A student sitting at a desk writing looks very tired and yawns.
A boy is struggling to stay awake while sitting at his desk.