… Sleep problems and sleep restriction are popular topics of discussion, but few representative
data are available. We document Britain's sleep … respondents reported sleep problems on …

… a large Internet-based sleep survey covering 10,810 British adults suggested that few
individuals opted for more sleep when given other alternatives, despite the reported sleep deficit [4]…

… in quantity and quality of sleep,4 with up to 50% of older adults report … adults are more
likely than older adults to display a pattern of sleep problems characterised by poor sleep …

… sleep quantity and sleep quality, if causally related to cognition, may have different effects in
younger and older adults, … clear interactions between sleep quantity and sleep quality with …

… decrease in sleep quality over time, our analyses suggested a slight increase in sleep quality
… Second, we expected sleep quantity to remain stable or increase over time. Consistent with …

… In the current study of Australian adults, we examine associations … of sleep: sleep duration
and global sleep quality. For sleep quality, we examine linear relationships, and for sleep …

… General characteristics of NDNS adult participants aged 19–65 years according to sleep …
due to lack of sleep data or pregnancy/breast feeding (figure 1). The 1612 adults included in the …

… adult sleep duration has declined over the past four decades we found no consistent evidence
this has occurred. Sleep … France, Britain and Canada, 54 countries where sleep durations …

… sleep quality on an average weeknight on a Likert scale of 1–10 and the number of hours
they slept … number of hours of sleep for adults, in order to assess sleep quality and duration. …

… Income differences in sleep … sleep problems among the unemployed and adults with low
education remained significant following adjustment. Women reported significantly more sleep …