It's rude to disturb your sibling while they sleep.
Tessa finds an air horn in the basement while her brother, Dean, is studying for a test.
Tessa wants to prank Dean with the air horn.
Tessa sneaks up behind Dean while he's studying and honks the air horn.
Tessa waits until Dean falls asleep before sneaking into his room and waking him with the air horn.
Dean jumps up out of his seat and has a laugh with Tessa before resuming his studying.
Dean is unable to fall back asleep and performs poorly on his test the next day.