Splitting Adam (2015) on Netflix

Plot summary

Adam Baker spends his summer working at the water park Crash n' Splash with his best friend Sheldon, trying to pass a lifeguard test and living down the time his swim trunks got caught in the pool filter. He has a crush on the lifeguard Lori Collins and is ridiculed by Vance Hansum. When his parents leave for a week, Adam and his little sister Gillian stay with their Uncle Mitch, a magician who performs as Magic Mitch and owns a malfunctioning tanning bed. After Adam falls into it, another Adam is asleep in his bed the next morning. Adam, Sheldon and Danny work out that the machine makes copies shaped by the traits the person inside wanted most, and Adam puts the copies to his chores, his jobs and his hopes with Lori.