More Sleep Could Reduce Impulsive Behavior in Children

The following is excerpted from an online article posted by EurekAlert!

Sleep is a critical part of a child’s overall health, but it can also be an important factor in the way they behave.

According to a new study from the Youth Development Institute at the University of Georgia, getting enough sleep can help children combat the effects of stressful environments.

“Stressful environments are shown to make adolescents seek immediate rewards rather than delayed rewards, but there are also adolescents who are in stressful environments who are not impulsive,” said lead author Linhao Zhang, a fourth-year doctoral student in UGA’s College of Family and Consumer Sciences. “We looked at what explains that link and what makes some people differ from others. One mechanism we found is sleep.”

Researchers analyzed data from the Adolescent Brain Cognitive Development Study, a multi-year brain development study funded by the National Institutes of Health. Using information from 11,858 children from 9-10 years old, they found that lack of sleep and long sleep latency—the amount of time it takes to get to sleep—had a significant link to impulsive behaviors down the line.

Sleep problems, such as sleep latency (the time it takes an individual to fall asleep) and impulsive behaviors, were checked at multiple time points over the course of two years. When children got less than the recommended nine hours of sleep or took more than 30 minutes to get to sleep, there was a strong link to impulsive behaviors later down the line. Some of these behaviors included acting without a plan, seeking thrills or sensations, and lacking perseverance.

Sleep was a mediator between these actions, however, and when sleep problems were absent during the study, impulsivity was also less likely to be observed in the future.

These findings not only highlight sleep’s role in cognitive and behavioral development, but could also inform low-cost interventions to aid in the psychological development of children facing at-home stressors, Zhang said.

“If you want to develop interventions for people in stressful environments, it’s very costly, and sometimes it needs generational work to change,” Zhang said. “Sleep is a modifiable behavior, however, and these changes can be cost-efficient.”

Zhang said that too little sleep can be an issue even outside stressful environments. For example, teenagers often have a circadian rhythm that is geared toward staying up later and sleeping in, but early school start times and late nights completing homework can throw off that rhythm.

“A lot of adolescents don’t have enough time to sleep, and they are sleep deprived,” Zhang said. “This study shows why it is important to promote longer sleep duration by delaying school start times or establishing routines so that adolescents know, ‘OK, after this event, I’m going to bed.’”

Establishing these routines, no matter the environment, can create healthier patterns and reduce the time it takes to get to sleep. It’s also vital to act early when developing sleep habits, Zhang said.

The study was published in Sleep Health.

Source: EurekAlert!
https://www.eurekalert.org/news-releases/999933

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[reposted by] Jim Liebelt

Jim is Senior Writer, Editor and Researcher for HomeWord. Jim has 40 years of experience as a youth and family ministry specialist, having served over the years as a pastor, author, consultant, mentor, trainer, college instructor, and speaker. Jim’s HomeWord culture blog also appears on Crosswalk.com and Religiontoday.com. Jim and his wife Jenny live in Quincy, MA.

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