It's not nice to expect others to wait for you
Jenna was supposed to meet her friends at 8 AM to drive to an amusement park, and woke up hungover at 7:30.
Jenna wants to get more sleep.
Jenna goes directly to meet her friends and asks them if she can sleep in the backseat of their car.
Jenna falls back asleep in her bed and arrives to the meeting point an hour late.
Jenna wakes up at the amusement park ready to go on all the rides.
All of Jenna's friends spend the first half hour of the trip complaining about her.