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| Author | Paul, M.A.; Love, R.J.; Hawton, A.; Brett, K.; McCreary, D.R.; Arendt, J. | ||||
| Title | Sleep deficits in the high Arctic summer in relation to light exposure and behaviour: use of melatonin as a countermeasure | Type | Journal Article | ||
| Year | 2015 | Publication | Sleep Medicine | Abbreviated Journal  |
Sleep Medicine |
| Volume | Issue | Pages | |||
| Keywords | Human Health; Sleep | ||||
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| ISSN | 1389-9457 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | LoNNe @ christopher.kyba @ | Serial | 1093 | ||
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| Author | Crowley, S.J.; Suh, C.; Molina, T.A.; Fogg, L.F.; Sharkey, K.M.; Carskadon, M.A. | ||||
| Title | Estimating the dim light melatonin onset of adolescents within a 6-h sampling window: the impact of sampling rate and threshold method | Type | Journal Article | ||
| Year | 2015 | Publication | Sleep Medicine | Abbreviated Journal |
Sleep Medicine |
| Volume | 20 | Issue | Pages | 59-66 | |
| Keywords | Human Health | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1389-9457 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | LoNNe @ kyba @ | Serial | 1324 | ||
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| Author | Obayashi, K.; Yamagami, Y.; Kurumatani, N.; Saeki, K. | ||||
| Title | Bedroom lighting environment and incident diabetes mellitus: a longitudinal study of the HEIJO-KYO cohort | Type | Journal Article | ||
| Year | 2019 | Publication | Sleep Medicine | Abbreviated Journal |
Sleep Medicine |
| Volume | 65 | Issue | Pages | 1-3 | |
| Keywords | Human Health; Metabolic disorders; diabetes; geriatrics | ||||
| Abstract | Objectives Light information received by the brain influences human circadian timing and metabolism; low-level light at night (LAN) significantly increased body mass and led to prediabetes in mice. We hypothesized that LAN exposure increases the diabetes risk in humans. The aim of the present study was to evaluate a longitudinal association between LAN exposure and the incidence of diabetes in a general population. Methods In our prospective cohort study, bedroom light intensity was measured at 1-min intervals in 678 elderly participants without diabetes at baseline. The average light intensity recorded between bedtimes and rise times over two consecutive nights was used in the analysis. Results During follow-up (median, 42 months), 19 of the 678 participants (mean age, 70.6 years) developed diabetes. Poisson regression models revealed that the incidence rate for diabetes was significantly higher in the LAN group (average ≥5 lux, N = 128) than the dark group (average <5 lux, N = 550) (incidence rate ratio, 3.74; 95% confidence interval (CI), 1.55–9.05; p=0.003). Further propensity score adjustments in relation to LAN produced consistent results (incidence rate ratio, 3.19; 95% CI, 1.38–7.35; p=0.007). When the cut-off value of LAN was decreased to 3 lux, the relationship remained significant (incidence rate ratio 2.74; 95% CI, 1.19–6.33; p=0.018). Conclusions Our findings suggest that LAN exposure increases the incidence of diabetes in a general elderly population. Further research involving a large cohort with new-onset diabetes is warranted to elucidate these findings. |
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| Address | Department of Epidemiology, Nara Medical University School of Medicine, 840 Shijocho, Kashiharashi, Nara, 634-8521, Japan; obayashi(at)naramed-u.ac.jp | ||||
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| Publisher | Elsevier | Place of Publication | Editor | ||
| Language | English | Summary Language | English | Original Title | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1389-9457 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | GFZ @ kyba @ | Serial | 2605 | ||
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