Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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Filters on Instagram, specifically those that could change a person’s cosmetic appearance, have also loomed large in the case and were also a constant fixture of Kaley’s use. Lanier and his colleagues unfurled a nearly 35-foot-long canvas banner with photos Kaley has posted on Instagram. She said “almost all” of the photos had a filter on them.