公衆衛生86巻1号

2022年01月発行

特集 働く人々の睡眠改革—健康と安全の確保のために

勤労者の睡眠負債と社会的ジェットラグ

著者： 駒田陽子¹

所属機関： ¹明治薬科大学リベラルアーツ系

ページ範囲：P.43 - P.51

ポイント
◆働く世代では睡眠時間6時間未満の割合は4割を超え、勤労者の多くが睡眠負債の状態である。
◆平日の睡眠負債解消を目的に休日に朝寝坊や寝だめをすることは、社会的ジェットラグを引き起こす。
◆社会的ジェットラグは、生活習慣病や抑うつ、ストレスなど心身の健康に悪影響をもたらす。

参考文献

1）厚生労働省：令和元年国民健康・栄養調査（令和元年），2019　https://www.mhlw.go.jp/bunya/kenkou/kenkou_eiyou_chousa.html（2021/8/8閲覧）

2）OECD：OECD Gender Data Portal 2021.　https://www.oecd.org/gender/data/（2021/8/8閲覧）

3）Hirshkowitz M, et al: National Sleep Foundation's sleep time duration recommendations: methodology and results summary. Sleep Health 1: 40-43, 2015

4）Komada Y, et al: Clinical significance and correlates of behaviorally induced insufficient sleep syndrome. Sleep Med 9: 851-856, 2008

5）American Academy of Sleep Medicine: International Classification of Sleep Disorders: Diagnostic ＆ Coding Manual. pp130-132, American Academy of Sleep Medicine，Darien, 2005

6）西野精治：「睡眠負債」の概念はどのようにして起こったか？　睡眠医療12: 291-298, 2018

7）Wittmann M, et al: Social jetlag: misalignment of biological and social time. Chronobiol Int 23: 497-509, 2006

8）Komada Y, et al: A survey on social jetlag in Japan: a nationwide, cross-sectional Internet survey. Sleep Biol Rhythms 17: 417-422, 2019

9）Horne JA, et al: A self-assessment questionnaire to determine morningness-eveningness in human circadian rhythms. Int J Chronobiol 4: 97-110, 1976

10）石原金由，他：日本語版朝型-夜型（Morningness-Eveningness）質問紙による調査結果．心理研57: 87-91, 1986

11）Roenneberg T, et al: Social jetlag and obesity. Curr Biol 22: 939-943, 2012

12）Kitamura S, et al: Validity of the Japanese version of the Munich ChronoType Questionnaire. Chronobiol Int 31:845-850, 2014

13）Barclay NL, et al: Monozygotic twin differences in non-shared environmental factors associated with chronotype. J Biol Rhythms 28: 51-61, 2013

14）Foster RG, et al: Human responses to the geophysical daily, annual and lunar cycles. Curr Biol 18: R784-R794, 2008

15）Adan A, et al: Circadian typology: a comprehensive review. Chronobiol Int 29: 1153-1175, 2012

16）Kantermann T, et al: Comparing the Morningness-Eveningness Questionnaire and Munich ChronoType Questionnaire to the Dim Light Melatonin Onset. J Biol Rhythms 30: 449-453, 2015

17）Roepke SE, et al: Differential impact of chronotype on weekday and weekend sleep timing and duration. Nat Sci Sleep 2010: 213-220, 2010

18）Parsons M J, et al: Social jetlag, obesity and metabolic disorder: investigation in a cohort study. Int J Obes （Lond） 39: 842-848, 2015

19）Gamboa Madeira S, et al: Social jetlag, a novel predictor for high cardiovascular risk in blue-collar workers following permanent atypical work schedules. J Sleep Res 4: e13380, 2021

20）Hu L, et al: Social Jetlag and Prostate Cancer Incidence in Alberta's Tomorrow Project: A Prospective Cohort Study. Cancers （Basel） 12: E3873, 2020

21）Takasu NN, et al: Recovery from Age-Related Infertility under Environmental Light-Dark Cycles Adjusted to the Intrinsic Circadian Period. Cell Rep 12: 1407-1413, 2015

22）Komada Y, et al: Social jetlag and menstrual symptoms among female university students. Chronobiol Int 36: 258-264, 2019

23）Levandovski R, et al: Depression scores associate with chronotype and social jetlag in a rural population. Chronobiol Int 28: 771-778, 2011

24）Rutters F, et al: Is social jetlag associated with an adverse endocrine, behavioral, and cardiovascular risk profile?. J Biol Rhythms 29: 377-383, 2014

25）Takaesu Y, et al: Association of sleep duration on workdays or free days and social jetlag with job stress. Psychiatry Clin Neurosci 75: 244-249, 2021

26）Kitamura S, et al: Estimating individual optimal sleep duration and potential sleep debt. Sci Rep 6: 35812, 2016