When two boys from different backgrounds become friends and sleep over at each other's homes, they exchange ideas about sleepwear as well as about family life.
Kara has a sleepover to celebrate Thanksgiving and Taylor's soccer team's win, and Jo introduces her friends to her cousin, Ceci, to whom the girls think Jo is paying too much attention.
When her first sleepover falls the night before an important dance audition, Angelina confides in her diary that staying up late and eating junk food may not be the best activities for aspiring ballerinas.
During her first sleepover, when it is time for bed and the lights are turned off, Lola wants to go home, but her friend Lotta relieves her fears with imaginary stories.