University students have low levels of physical activity and report disturbances to sleep,
which are independently associated with poor health outcomes. Some research suggests …

This systematic review with meta-analysis aims to examine the relation between different
aspects of digital media use and sleep health patterns. Eligible studies had to be …

Although recent studies have examined the bidirectional associations between physical
activity and sleep parameters, few have focused on older adults utilizing objective …

Previous research associated smartphone use with worsened sleep among adolescents.
However, the prior findings were mainly based on cross-sectional, self-reported data, and a …

The COVID-19 pandemic and lockdowns worldwide forced children and adolescents to
change and adapt their lives to an unprecedented situation. Using an online survey, we …

The study objective was to verify whether recreational screen time was associated with
sleep quality among adolescents during the third wave of the COVID-19 pandemic in …

Background Considering the evident risk in the literature between the use of screen devices
and sleep, there are still few studies on the relationship between each electronic screen …

Sleep is a vital element of adolescents' overall health; it influences their body and mind and
thus affects their quality of life. Adequate sleep quality and duration are essential for …

This study aimed to examine the association between physical exercise and subjective well-
being among undergraduate students, as well as its underlying mechanism—the potential …

Objective There is a strong association between sleep disturbance and negative affect.
However, the day-to-day directional connections between sleep and negative affect remain …