biostudies-literatureIglesias-Vazquez LInstituto de Salud Carlos IIIGeneralitat Valenciana1140-1151https://www.ebi.ac.uk/biostudies/studies/S-EPMC12627151biostudies-literatureUnknown21(11)<h4>Background</h4>Preschoolers and young children are vulnerable to psychosocial and behavioral disorders linked to lifestyle factors such as screen time and sleep disturbances. Our study examines the relationship between screen time and adherence to recommendations with children's behavioral and emotional difficulties, with a focus on the role of sleep duration.<h4>Methods</h4>Cross-sectional analyses were conducted within the multicenter prospective Childhood Obesity Risk Assessment Longitudinal Study (CORALS), which included 1420 children aged 3-6 years. Screen time (hours/day) and adherence to recommendations (≤ 2 hours/day) were assessed. Behavioral and emotional difficulties were measured via the strengths and difficulties questionnaire. Multivariable linear and logistic regression World journal of pediatrics : WJPSleep duration moderates association between screen time and emotional and behavioural problems in young children.PMC12627151PROMETEO 21/2021PI24/00711Ni JBabio NMiguel-Berges MLLeis REscribano JMoreira Echeverria AVazquez-Cobela RMasip GMoreno LACorella DPicans-Leis RGil-Campos MFeliu AMartinez JACastro-Collado CBenedicto-Toboso MINavas-Carretero SPastor-Villaescusa BGarciduenas-Fimbres TELlorente-Cantarero FIglesias-Vazquez LGomez-Martinez CJurado-Castro JMFernandez de la Puente MfalseSleep duration moderates association between screen time and emotional and behavioural problems in young children.<h4>Background</h4>Preschoolers and young children are vulnerable to psychosocial and behavioral disorders linked to lifestyle factors such as screen time and sleep disturbances. Our study examines the relationship between screen time and adherence to recommendations with children's behavioral and emotional difficulties, with a focus on the role of sleep duration.<h4>Methods</h4>Cross-sectional analyses were conducted within the multicenter prospective Childhood Obesity Risk Assessment Longitudinal Study (CORALS), which included 1420 children aged 3-6 years. Screen time (hours/day) and adherence to recommendations (≤ 2 hours/day) were assessed. Behavioral and emotional difficulties were measured via the strengths and difficulties questionnaire. Multivariable linear and logistic regression 2025-01-01T00:00:00Z2025 Nov2026-06-05T17:13:53.895Z2026-05-19T03:11:42.859ZS-EPMC126271514098799510.1007/s12519-025-00963-x