Purpose To determine the micro-longitudinal effects of duration and timing of screen-based
activities on sleep within and between adolescents. Methods Daily survey and actigraphy …

Background Although fitness technology can track and encourage increases in physical
activity, few smartphone apps are based on behavior change theories. Apps that do include …

Objectives Short sleep duration is associated with poor physical health in college students.
Few studies examine the effects of sleep extension on physical health in this population …

The bi-directional, day-to-day associations between daytime physical activity and sedentary
behavior, and nocturnal sleep, in office workers are unknown. This study investigated these …

Background Habits surrounding health behaviors (ie, sleep, physical activity, diet) are
developed in toddlerhood. Lack of consistent health habits may increase obesity risk among …

Endocrine therapy (ET) for breast cancer treatment is associated with cognitive complaints,
but their etiology is poorly understood. To address this, we developed and implemented an …

Sleep is an involuntary behaviour, biologically fundamental to survival and wellbeing.
However, sleep is increasingly neglected, with significant health implications. Recent …

Objective To better understand the short-term impact of family interactions on adolescent
sleep, this study examined daily associations between family interaction quality and sleep …

Objectives The concept of multi-dimensional sleep health, originally based on self-report,
was recently extended to actigraphy in older adults, yielding five components, but without a …

Abstract Objectives Heterogeneity among Black adults' experiences of discrimination and
education quality independently influence cognitive function and sleep, and may also …