![]() In follow-up assessments, the research team found that participants in the sufficient sleep group tended to gradually sleep less over two years, which is normal as children move into their teen years, whereas sleep patterns of participants in the insufficient sleep group did not change much. It also provides substantial support for the current sleep recommendations in children, according to Dr. This is one of the first findings to demonstrate the potential long-term impact of lack of sleep on neurocognitive development in children. ![]() ![]() "These differences persisted after two years, a concerning finding that suggests long term harm for those who do not get enough sleep." "We found that children who had insufficient sleep, less than nine hours per night, at the beginning of the study had less grey matter or smaller volume in certain areas of the brain responsible for attention, memory and inhibition control compared to those with healthy sleep habits," said study corresponding author Ze Wang, PhD, Professor of Diagnostic Radiology and Nuclear Medicine at UMSOM. Funded by the National Institutes of Health (NIH), the ABCD study is the largest long-term study of brain development and child health in the US. They examined MRI images, medical records, and surveys completed by the participants and their parents at the time of enrollment and at a two-year follow-up visit at 11 to 12 years of age. To conduct the study, the researchers examined data that were collected from more than 8,300 children aged 9 to 10 years who were enrolled in the Adolescent Brain Cognitive Development (ABCD) study. Up until now, no studies have examined the long-lasting impact of insufficient sleep on the neurocognitive development of pre-teens. The American Academy of Sleep Medicine recommends that children aged 6 to 12 years of age sleep 9 to 12 hours per night on a regular basis to promote optimal health.
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