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Small shifts in diurnal rhythms are associated with an increase in suicide : the effect of daylight saving

Berk, Michael, Dodd, Seetal, Hallam, Karen, Berk, Lesley, Gleeson, John and Henry, Margaret 2008, Small shifts in diurnal rhythms are associated with an increase in suicide : the effect of daylight saving, Sleep and biological rhythms, vol. 6, no. 1, pp. 22-25.

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Title Small shifts in diurnal rhythms are associated with an increase in suicide : the effect of daylight saving
Author(s) Berk, Michael
Dodd, Seetal
Hallam, Karen
Berk, Lesley
Gleeson, John
Henry, Margaret
Journal name Sleep and biological rhythms
Volume number 6
Issue number 1
Start page 22
End page 25
Publisher Richmond, Vic.
Place of publication Wiley-Blackwell Publishing Asia
Publication date 2008-01
ISSN 1446-9235
1479-8425
Summary Large disruptions of chronobiological rhythms are documented as destabilizing individuals with bipolar disorder; however, the impact of small phase altering events is unclear. Australian suicide data from 1971 to 2001 were assessed to determine the impact on the number of suicides of a 1-h time shift due to daylight saving. The results confirm that male suicide rates rise in the weeks following the commencement of daylight saving, compared to the weeks following the return to eastern standard time and for the rest of the year. After adjusting for the season, prior to 1986 suicide rates in the weeks following the end of daylight saving remained significantly increased compared to the rest of autumn. This study suggests that small changes in chronobiological rhythms are potentially destabilizing in vulnerable individuals.
Language eng
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Japanese Society of Sleep Research
Persistent URL http://hdl.handle.net/10536/DRO/DU:30035535

Document type: Journal Article
Collection: School of Medicine
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