Wednesday, November 15, 2017

Digital Media Adversely Affects Children and Adolescents Twice as Much as Adults Because Their Brain and Eyes Are Still Developing, According to a Review of Several Studies

(Zoey SkyIt looks like as time passes by, parents are becoming more lenient when it comes to monitoring gadget use by their children. However, according to a study, adolescents can experience sleep disruption from electronic screens.

Related: Dehydrated Children: Kids Are Drinking about One Quarter of the Water They Should Be, According to New Study 

Source - Natural News

by Zoey Sky, November 14th, 2017

Because the brains, sleep patterns, and eyes of children and adolescents are still developing, they are more vulnerable to the sleep-disrupting effects of screen time, per a recent review of the literature recently published in the journal Pediatrics.

First author Monique LeBourgeois shared, “The vast majority of studies find that kids and teens who consume more screen-based media are more likely to experience sleep disruption.” LeBourgeois, an associate professor in the Department of Integrative Physiology at the University of Colorado Boulder, continued, “With this paper, we wanted to go one step further by reviewing the studies that also point to the reasons why digital media adversely affects sleep.”

More than five dozen studies monitored adolescents aged five to 17 from all over the world, and 90 percent of the studies determined that more screen time is associated with “delayed bedtimes, fewer hours of sleep, and poorer sleep quality,” shared the authors, who also noted that biological, neurological, and environmental factors all play a role in their findings. The paper revealed that since their eyes are not fully developed yet, children are more sensitive than adults to the impact of light on the internal body clock.

LeBourgeois explained, “Light is our brain clock’s primary timekeeper.” This means that when light hits the retina in the eye at night, it suppresses the sleep-promoting hormone melatonin, which delays the feeling of sleepiness and pushes back the timing of the body clock. She added, “We know younger individuals have larger pupils, and their lenses are more transparent, so their exposure and sensitivity to that light is even greater than in older individuals.”

In one study, both adults and school-age children were exposed to the same amount and intensity of light. Only the children’s melatonin levels fell twice as much, shared the authors. Studies also support findings that short-wavelength “blue light,” present in most hand-held electronics, is particularly notorious for suppressing melatonin.

LeBourgeois adds, “Through the young eyes of a child, exposure to a bright blue screen in the hours before bedtime is the perfect storm for both sleep and circadian disruption.” The authors note that digital media also adds “psychological stimulation,” like exposure to violent media or texting with friends, that can also sabotage sleep by upping cognitive arousal.

The authors added that children and adolescents whose phones or computers are left on overnight in their bedroom are more likely to have trouble sleeping. More than 75 percent of adolescents have screen-based media in their bedrooms, 60 percent interact with them an hour before their bedtime, and 45 percent rely on their phones as an alarm.

Digital Media and Sleep in Childhood and Adolescence is one of the 22 papers included in the first supplemental issue of Pediatrics that focused on screen time and youth health. Aside from summarizing past research, the papers aimed to set goals for future research, such as studying the impact of screen time on toddlers and preschoolers.

Dr. Pam Hurst-Della Pietra, founder of the nonprofit Children and Screens that helped coordinate the study, noted, “The digital media landscape is evolving so quickly, we need our research to catch up just to answer some basic questions.”

How to raise a low-gadget kid in the digital age

If you’re having trouble monitoring the gadget use of your kids, check out these tips:
Teach your children to share – While gadget use can be unavoidable, don’t give in to the urge to buy a gadget for each of your kids, even if you can afford to. When they’re forced to share, their device use will easily be reduced while also teaching them how important it is to take turns.
Follow a schedule for gadget use – Set up a schedule and follow it strictly when you’re letting your child use their own device. You can also restrict their gadget use to the weekends or on specific days of the week.

Exercise parental control — Always check the apps installed on any device that your child uses, and turn on a parental lock to limit the apps that they can use or download.
Give them options – If they’re bored, give your kids something else to do rather than simply handing them a tablet. Offer them puzzles, coloring books and crayons, or picture books.
Set an example – Try to limit the time you spend on your phone or device so they can see that it’s okay to “disconnect” and do other things as well.

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