Longitudinal studies in Japan indicate that nocturnal sleep onset has become later and sleep duration has been progressively shortened. This study aimed to investigate the relationship between sleep patterns and sleep problems among children, and to determine the association between parents and their children's sleep habits. Questionnaires about sleep problems and life habits were administered ...

OBJECTIVE To investigate the relationship between specific television-viewing habits and both sleep habits and sleep disturbances in school children. METHODS The parents of 495 children in grades kindergarten through fourth grade in three public elementary schools completed two retrospective survey questionnaires, one assessing their children's sleep behaviors and the other examining televisi...

Whereas previous research has indicated that sleep problems tend to co-occur with increased mental health issues in university students, relatively little is known about relations between sleep quality and mental health in university students with generally healthy sleep habits. Understanding relations between sleep and mental health in individuals with generally healthy sleep habits is importa...

BACKGROUND Electronic media use is becoming an increasingly important part of life for today's school-aged children. At the same time, concern of children's sleep habits has arisen, and cross-sectional studies have shown that electronic media use is associated with short sleep duration and sleep disturbances. The purpose of this longitudinal study was to investigate whether baseline electronic ...

during adolescence, there is a tendency to sleep late and sleep less because of altered psychosocial and life-style changes. recent studies have demonstrated the link between sleeping less and gaining weight in children, adolescents, and adults. we studied the effect of late sleeping and sleeping less on body mass index (bmi) in medical college freshmen. all participants were adolescents (104 m...

objective: aggression is a disruptive behavior that limits children’s ability for a better adjustment. as commonly reported, sleep problems is associated with the presentation of aggression in adhd children. in this study, we aimed to investigate the association between sleep problems and aggressive behavior in children with adhd.  methods: the study method is correlational and cross-sectional....

Objective: Aggression is a disruptive behavior that limits children’s ability for a better adjustment. As commonly reported, sleep problems is associated with the presentation of aggression in ADHD children. In this study, we aimed to investigate the association between sleep problems and aggressive behavior in children with ADHD.  Methods: The study method is correlational and cross-section...

Sleep problems are known to be risk factors for subsequent emotional and behavioral difficulties in childhood and adolescence. To date, there has been no study investigating the relationships between sleep habits and behavioral problems in a large nonclinical sample of preschool age children. The aim of this study was to examine these relationships and factors associated with the sleep habits o...

Poor sleep quality negatively affects memory performance, and working memory in particular. We investigated sleep habits related to sleep quality including sleep duration, daytime nap duration, nap frequency, and dream content recall frequency (DCRF). Declarative working memory can be subdivided into verbal working memory (VWM) and visuospatial working memory (VSWM). We hypothesized that sleep ...