Its probably not that but more that teens are socializing less and spending more time on things like homework. https://www.pewresearch.org/fact-tank/2019/02/20

Its probably not that but more that teens are socializing less and spending more time on things like homework. https://www.pewresearch.org/fact-tank/2019/02/20/the-way-u-s-teens-spend-their-time-is-changing-but-differences-between-boys-and-girls-persist/ https://www.pewresearch.org/fact-tank/2019/02/20/the-way-u-s...