Lack of a good night’s sleep could harm children’s development

According to University researchers, school-age children who sleep less than the recommended amount each night have significant differences in certain brain regions responsible for memory, intelligence and well-being compared to those who sleep less than the recommended amount each night. who get enough sleep for their age. from the Maryland School of Medicine.

What there is to know:

  • early adolescence is a crucial period for neurocognitive developmentand during a 2-year study, it was found that lack of sleep in children correlated with more serious mental health problems As depression, anxietyand impulsive behaviorsas good as cognitive difficulties with memory, problem solvingand decision making.

  • More … than 8,300 children aged 9-10 were enrolled in Cognitive development of the adolescent brain (ABCD) study, which MRI images reviewed, medical recordsand investigations carried out by the participants and their parents at the time of registration and at a 2-year follow-up visit at 11-12 years old.

  • Children which had less than 9 hours per night had less gray matter Where smaller volume in some areas of the brain responsible for Warning, Memory, and inhibition control compared to those with healthy sleep habits, differences that persist after 2 years.

  • Sufficient sleep group participants tendency to gradually sleep less over 2 yearsWhich one is Ordinary as children transition to adolescencewhile Sleep habits participants in the insufficient sleep band did not change a lot.

  • The children of the last generations often report sleep less that 9-12 hours suggested of sleep per day advised for 6 to 12 year olds.

This is a summary of the article “Children who lack sleep may have a negative impact on brain and cognitive development that persists over time”, published by Lancet Child & Adolescent Health on July 29. The full article can be found at

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