The Washington Post (5/19, Gibson) reports a study found that “teens averaged over 50 minutes of smartphone use between the hours of 10 p.m. and 6 a.m. on school nights…and nearly half of the teens used their phones between midnight and 4 a.m.” The researchers “followed the screen use of 657 adolescents, a cohort with an average age of 15. All are participants in the national Adolescent Brain Cognitive Development Study, which includes a racially and economically diverse sample of children and is the largest long-term study of brain development and child health in the United States.” The findings “build on prior research showing that bedtime screen use can degrade sleep quality – and that even short intervals of extra sleep can make a significant impact for adolescents.” The study was discussed in a JAMA Pediatrics research letter.
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