Elementary school-age children who get significantly less than nine hours of sleep per night have significant differences using brain regions in charge of memory, intelligence and well-being in comparison to those who obtain the recommended nine to 12 hours of sleep per night, in accordance with a fresh study led by University of Maryland School of Medicine (UMSOM) researchers. Such differences correlated with greater mental health issues, like depression, anxiety, and impulsive behaviors, in those that lacked sleep. Inadequate sleep was also associated with cognitive problems with memory, problem solving and decision making. The findings were published today in the journal The Lancet Child & Adolescent Health.
The American Academy of Sleep Medicine recommends that children aged six to 12 years sleep 9 to 12 hours per night regularly to promote optimal wellbeing. Until recently, no studies have examined the long-lasting impact of insufficient sleep on the neurocognitive development of pre-teens.
To conduct the analysis, the researchers examined data which were collected from a lot more than 8,300 children aged nine to 10 years who have been signed up for the Adolescent Brain Cognitive Development (ABCD) study. They examined MRI images, medical records, and surveys completed by the participants and their parents during enrollment and at a two-year follow-up visit at 11 to 12 years. Funded by the National Institutes of Health (NIH), the ABCD study may be the largest long-term study of brain development and child health in the U.S.
“We discovered that children who had insufficient sleep, significantly less than nine hours per night, at the start of the analysis had less gray matter or smaller volume using areas of the mind in charge of attention, memory and inhibition control in comparison to people that have healthy sleep habits,” said study corresponding author Ze Wang, Ph.D., Professor of Diagnostic Radiology and Nuclear Medicine at UMSOM. “These differences persisted after 2 yrs, a concerning discovering that suggests longterm harm for individuals who don’t get enough sleep.”
That is among the first findings to show the potential long-term impact of insomnia on neurocognitive development in children. In addition, it provides substantial support for the existing sleep recommendations in children, in accordance with Dr. Wang and his colleagues.
In follow-up assessments, the study team discovered that participants in the sufficient sleep group tended to gradually sleep less over 2 yrs, that is normal as children transfer to their teen years, whereas sleep patterns of participants in the insufficient sleep group didn’t change much. The researchers controlled for socioeconomic status, gender, puberty status along with other factors which could impact just how much a kid sleeps and affect brain and cognition.
“We tried to complement both groups as closely as you possibly can to greatly help us more grasp the long-term effect on too little sleep on the pre-adolescent brain,” Dr. Wang said. “Additional studies are essential to verify our finding also to see whether any interventions can improve sleep habits and reverse the neurological deficits.”
The American Academy of Pediatrics encourages parents to market good sleep habits within their children. Their tips include making sufficient sleep a family group priority, keeping a normal sleep routine, encouraging exercise throughout the day, limiting screen time and eliminating screens completely one hour before bed.
Fan Nils Yang, Ph.D., a post-doctoral fellow in Dr. Wang’s laboratory is really a study co-author. Weizhen Xie, Ph.D., a researcher at the National Institute of Neurological Disorders and Stroke, can be a report co-author. UMSOM faculty members Thomas Ernst, Ph.D., and Linda Chang, MD, MS, are co-principal investigators of the ABCD study at the Baltimore site but weren’t mixed up in data analysis of the new study.
“It is a crucial study discovering that points to the significance to do long-term studies on the developing child’s brain,” said E. Albert Reece, MD, Ph.D., MBA. “Sleep can frequently be overlooked during busy childhood days filled up with homework and extracurricular activities. Now we observe how detrimental which can be to a child’s development.”
More info: Children Who Lack Sleep May Experience Detrimental Effect on Brain and Cognitive Development That Persists AS TIME PASSES, The Lancet Child & Adolescent Health (2022). DOI: 10.1016/S2352-4642(22)00188-2
Citation: Children who lack sleep may experience detrimental effect on brain and cognitive development that persists as time passes (2022, July 29) retrieved 29 July 2022 from https://medicalxpress.com/news/2022-07-children-lack-detrimental-impact-brain.html
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