To our knowledge this is the largest single study on self-reported sleep duration across the life-course and its modulation by gender, geographic location and economy. Although previous studies have also shown a non-linear association of sleep duration with age9,16,27, here we reveal three dist...
Future studies using non-self-report measures, such as actigraphy, are needed to reinforce findings from this study. Fourth, this study was not able to separately examine effects on weekday and weekend sleep. Because some of the effects the pandemic on sleep may be due to changes in work/...
directionality cannot be determined. Evidence from a longitudinal study suggests that stress and poor sleep quality have a complex bidirectional relationship [15]. Findings of another longitudinal study found that insomnia may be a premorbid risk for incident depression, or self-report of depression [...
Sleep duration Cognitive function Cohort study Middle age 1. Introduction The number of people with dementia will steadily increase over the next 25 years [1]. Most epidemiological studies focus on older adults (65+), however, a diagnosis of dementia is usually preceded by a long-lasting decline...
et al. A prospective study of total sleep duration and incident metabolic syndrome: the ARIRANG study. Sleep Med. 16, 1511–1515 (2015). Article PubMed Google Scholar Gottlieb, D. J. et al. Association of sleep time with diabetes mellitus and impaired glucose tolerance. Arch. Intern. Med...
Efforts to study dreaming Dream reports How do blind people perceive the world?Learn how blind people dream. See all videos for this article The manner in which people dream obviously defies direct observation. It has been said that each dream “is a personal document, a letter to oneself” ...
Primary research questions in the current study were as follows: RQ1: What was considered as context in CASHRS? How was it measured? RQ2: How was context coupled to the recommendation algorithms? RQ3: What approaches and algorithms were used for managing the life cycle of context (i.e.,...
Participants completed self-report questionnaires by themselves in a private room to negate assessor effects on outcomes. Eight visits to the study site were requested, including 1 pretreatment assessment visit, 6 intervention sessions, and 1 posttreatment assessment visit. Pretreatment and posttreatment ...
This study also has some limitations. One limitation may be that the study relies on subjective parental self-report using a sleep diary for the assessment of infant sleep. However, for this study, self-report measures were considered to be the most suitable option, for they are easy to admi...
In preschool-aged children, parental report of sleep difficulties is associated with teacher-reported externalized behaviors [83]. Additionally, children experiencing persistent sleep difficulties have an increased risk of aggression [12]. A longitudinal study of African American adolescents demonstrated that...