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Does access to neighbourhood green space promote a healthy duration of sleep? Novel findings from a cross-sectional study of 259 319 Australians

BMJ Open, ISSN: 2044-6055, Vol: 3, Issue: 8, Page: 1-6
2013
  • 148
    Citations
  • 98
    Usage
  • 217
    Captures
  • 8
    Mentions
  • 38
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    148
  • Usage
    98
  • Captures
    217
  • Mentions
    8
    • News Mentions
      7
      • News
        7
    • References
      1
      • Wikipedia
        1
  • Social Media
    38
    • Shares, Likes & Comments
      38
      • Facebook
        38

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Introduction Sleep is an essential, natural process needed for healthy brain and general body functioning. (1) Disruption of sleep can cause drowsiness and poor concentration

Article Description

Objectives: Experiments demonstrate that exposure to parks and other 'green spaces' promote favourable psychological and physiological outcomes. As a consequence, people who reside in greener neighbourhoods may also have a lower risk of short sleep duration (<6 h). This is potentially important as short sleep duration is a correlate of obesity, chronic disease and mortality, but so far this hypothesis has not been previously investigated. Design: Cross-sectional data analysis. Setting: New South Wales, Australia. Participants: This study investigated whether neighbourhood green space was associated with a healthier duration of sleep (to the nearest hour) among 259 319 Australians who completed the 45 and Up Study baseline questionnaire between 2006 and 2009 inclusive. Primary and secondary outcome measures: Multinomial logit regression was used to investigate the influence of an objective measure of green space on categories of sleep duration: 8 h (normal); between 9 and 10 h (mid-long sleep); over 10 h (long sleep); between 6 and 7 h (mid-short sleep); and less than 6 h (short sleep). Models were adjusted for psychological distress, physical activity and a range of demographic and socioeconomic characteristics. Results: People living in greener neighbourhoods reported a lower risk of short sleep. For example, compared with participants living in areas with 20% green space land-use, the relative risk ratios for participants with 80%+ green space was 0.86 (95% CI 0.81 to 0.92) for durations between 6 and 7 h, and 0.68 (95% CI 0.57 to 0.80) for less than 6 h sleep. Unexpectedly, the benefit of more green space for achieving 8 h of sleep was not explained by controls for psychological distress, physical activity or other socioeconomic factors. Conclusions: Green space planning policies may have wider public health benefits than previously recognised. Further research in the role of green spaces in promoting healthier sleep durations and patterns is warranted.

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