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The AAP urged schools todelay starttimes to help teens get more sleep. is thecentral idea.What is the central idea?Theprimary idea, often known as the central idea, is a succinct synthesis of the major subject matter of the entirenarrative. Usually, we give the main idea in a single statement. The intent and the topic are distinct from thefundamentalidea. It serves for the plot's foundation.The frequency of long brain waves during non-REM sleep declines inadolescence, showing the brain is removing superfluous synapses between nerve cells.Not everysecondaryschoolwill follow the AAP's recommendation to move start times back to at least 8:30 a.m. An inverted relationship is a link involving two variables in which one variable increases while the other decreases.Learn more aboutthe central idea, here:brainly.com/question/8282081#SPJ2...