This study wants to determine if racial differences in children that snore are related to factors that can be changed, such as child sleep habits, family factors, and provider unintentional racial bias.

The purpose of this research study is to see if melatonin improves sleep and the sleep-wake patterns (also known as circadian rhythm) in children, teenagers, and young adults (ages 11-30) with at-risk symptoms.

Children and adults with Beckwith-Wiedemann syndrome may be at increased risk for sleep apnea than other children.