Two surveys separated by almost a decade reveal the inexorable decline in sleep time in teens: Results of the National survey of middle and high schools in adolescents on health and substances (EnCLASS 2018), and the evolution since 2010 - Damien Léger; Virginie Ehlinger; Stanislas Spilka; Olivier Le-Nézet; Brigitte Fauroux; Victor Pitron; Emmanuelle Godeau (PLoS ONE, 2025)