As Jon slept, he had no idea that his wish did do something and something that would indeed be considered interesting, though only he would notice it, as he was the only one to hear his own wish. When he finally woke up the next morning, he might notice changes, or not, as they'd be subtle at first, but Jon and his entire family (his dad James, his mom Linda, his 15-year old Goth sister Zoe, and his 10-year old brother Mikey) would be in the process of changing, over the next few days. But Jon's family wasn't the only one. Five other families would be changing as well.
They would eventually have the same basic personalities and lifestyles as the one of other families, while physically (mostly) staying themselves.
Now for the families who would change over the next few days, with reality changing along with them - the Gibson family, as already stated, the Ferguson family (father Roger, mother Laura, daughter Nadine), the Meadows family (father Gary, mother Loraine, sons Biff and Wesley), the Black family (father Benjamin, mother Bethany, daughter Karyn), the Meshida family (father Katashi, mother Kamiko, daughter Yukio), and lastly, the McMillan family (Richard, his wife Susan, and their daughter - the one and only Sarah McMillan herself).