Arufe-Giráldez, V., Sanmiguel-Rodríguez, A., Zagalaz-Sánchez, M.L., Cachón-Zagalaz, J. and González-Valero, G. 2022. Sleep, physical activity and screens in 0-4 years Spanish children during the COVID-19 pandemic: Were the WHO recommendations met?. Journal of Human Sport and Exercise. 17, 3 (Jul. 2022), 484–503. DOI:https://doi.org/10.14198/jhse.2022.173.02.