It seems pretty unanimous to me. It's more than a few studies. And suicide rates are up among young people, too, so it's more than relabeling something that already existed. 1. https://www.sciencedirect.com/science/article/pii/S2211335518301827 2. https://academic.oup.com/sleep/article/41/suppl_1/A298/4988845 3. https://journals.sagepub.com/doi/full/10.1177/2167702617723376 4. https://www.eurekalert.org/pub_releases/2017-11/sdsu-stm110917.php 5. https://www.ncbi.nlm.nih.gov/pubmed/15060216 6. https://www.sciencedirect.com/science/article/pii/S0091743515000316 7. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0119607 8. https://akademiai.com/doi/abs/10.1556/2006.4.2015.010 9. https://www.sciencedirect.com/science/article/pii/S0165032716303196 10. https://www.sciencedirect.com/science/article/pii/S0747563216308445