Background Due to the myriad of benefits of children's outdoor play and time, there is
increasing concern over its decline. This systematic review synthesized evidence on the …

Valid and reliable sleep measures during the early years are crucial for practitioners and
researchers seeking accurate evaluation methods. The authors in this review systematically …

Importance The prevalence estimates of physical activity, sedentary behavior, and sleep
(collectively known as movement behaviors) in 3-and 4-year-old children worldwide remains …

The current study provides the first systematic review and meta-analysis of the associations
of smartphone and tablet use with psychosocial, cognitive, and sleep-related factors in early …

During the COVID-19 pandemic, many preschool-aged children were forced to remain
indoors due to social distancing measures and school closures. In this study, we examined …

Screen time, defined as estimates of child time spent with digital media, is considered
harmful to very young children. At the same time, the use of digital media by children under …

Background The present analysis aimed to assess the mediating role of psychosocial and
behavioural factors in socio-economic inequalities in health-related quality of life (HRQoL) …

Objective To examine cross-sectional associations of sleep characteristics (duration,
consolidation, timing, variability) with cognitive and gross motor development in toddlers …

Discussion Although adults have historically been the primary focus when examining sleep
health, the critical importance of also investigating sleep in early childhood has more …

Objective The primary aim of this study was to longitudinally examine potential demographic
and screen time correlates of nap duration, nighttime sleep duration, and total sleep duration …