A new study found that access to screens like TVs and mobile devices in the bedroom negatively impacts children's sleep, cutting their sleep by up to 37 minutes. The presence of screens disrupts melatonin production and the body's natural sleep-wake cycle. Experts recommend making children's bedrooms "no-tech zones" and establishing a consistent bedtime routine without screens to help children wind down and get the sleep they need for healthy development. The document provides several tips for parents to limit technology use before bed and set a positive example with their own device usage.