Objective: This study aimed to investigate interactions among physical fitness, sleep quality, sedentary behavior, and depression among female college freshmen. Participants: A cohort of 1,514 Chinese female college freshmen (M[subscript age] = 18.8 ± .63) were recruited from four universities. Methods: Participants completed a survey assessing…

Insufficient sleep and sleepiness are common in adolescence and can negatively impact school performance. The current study examined sleep duration and sleepiness in academic performance and cognitive processes in early adolescence. Middle school students (N = 288; M[subscript age] = 12.01; 54% female; 48% Black, 37% White, 10% Hispanic) wore…

Objective: Investigate whether psychosocial risk in the childhood family environment moderates the relationship between childhood socioeconomic status (SES) and sleep, and the relationship between childhood SES and ambulatory blood pressure (ABP) in college students, two factors that are linked to future risk for cardiovascular disease.…

Age-related developments in sleep during the preschool years are normative and consequential. Yet, very few studies have examined the antecedents of individual differences in such developments, and most have used parental reports of child sleep. This study aimed to investigate the roles of mutual responsiveness in mother-child interactions and…

Background: Sleep problems are common in children and are known to detrimentally affect language and cognitive abilities, as well as academic achievement. Aims: We aimed to investigate effects of sleep on oral word and non-word reading in a large, cross-sectional sample of children. Sample: Of 428 children who attended a public psychological…

Sleep problems and depression increase in adolescence. Adolescents tend to go to sleep at a later time, which results in shorter sleep duration especially if they attend school in the morning. The aim of this study was to examine the relation between school schedule (morning school schedule and afternoon school schedule), sleep quality, and…

The present study examined mothers' emotional availability (EA) during daytime free play and bedtime as a mediator of linkages between maternal nighttime sleep and infant-mother attachment. Participants included 153 mothers (85% White) with infants (53% female). When infants were 1, 3, 6, 9, and 12 months, maternal sleep was assessed using…

Background: School-based sleep education programmes can promote the importance of sleep health and may improve adolescent sleep. To date, only limited research has examined the feasibility of integrating sleep programmes into the school curriculum. Objectives: This study evaluated the feasibility, acceptability and preliminary efficacy of the…

The current study examines the mediating roles of self-efficacy and sleep disturbance and the moderating role of gender in the association between the duration of youth/parent communication on depression and anxiety during the COVID-19 isolation period in China. We used the self-designed demographic variable questionnaire, General Self-Efficacy…

Purpose: The purpose of this study was to extend research on napping and sleep behaviors in collegiate athletes, and to compare nappers and non-nappers on sleep quality and duration. Methods: Current varsity, club, and intramural athletes between 18-29 years completed the Short Napping Behavior Scale, Pittsburgh Quality Sleep Index, Generalized…

Sleep issues impair students' health and success. This study constructed a sequential mediating model to examine whether attachment anxiety and mobile social media dependence mediated the relationship between loneliness and sleep disturbance. A total of 487 university freshmen (42.09% females, 57.91% males; mean age = 18.19 years) were enrolled in…

Background: Prior studies examining the sleep of adolescents with and without attention-deficit/hyperactivity disorder (ADHD) have relied on mean values such as average sleep duration, which masks intraindividual variability. The objective was to investigate whether adolescents with ADHD have greater intraindividual variability of sleep/wake…

Objective: The present study examined the relationship between cultural orientation styles and sleep quality among Chinese and Korean undergraduates in the United States. Method: A total of 266 participants (M[subscript age] = 20.55 years, SD= 1.93; 49% Chinese, 51% Korean) completed an online survey. Ethnic identity and American identity measures…

This report of the development of an intervention in practice outlines the design, delivery, and evaluation of a tailored, school-based, group adolescent sleep intervention utilising youth participation methodology and an intervention mapping protocol as a framework. The intervention also included supplementary video support. The intervention was…

Objective: Given the rising rates of insufficient sleep and the popularity of marijuana, we investigated using marijuana as a sleep aid, marijuana use frequency, problematic marijuana use, and sleep problems. Participants: Participants included a convenience sample of college students who endorsed using marijuana in the past year from May to…