Optimal sleep duration in the subarctic with respect to obesity risk is 8-9 hours.
Optimal sleep duration in the subarctic with respect to obesity risk is 8-9 hours.
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DOI：
10.1371/journal.pone.0056756
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发表时间：
2013
期刊：
影响因子：
3.7
通讯作者：
Bratlid T
中科院分区：
文献类型：
--
作者：
Johnsen MT;Wynn R;Bratlid T
睡眠时间、睡眠时间类型和社交时差与体重指数 (BMI) 和腹部肥胖有关。此前发现与BMI相关的最佳睡眠时间为7-8小时，但这些研究尚未在亚北极地区进行或缺乏一些中心变量。我们研究的目的是研究生活在亚北极地区的人们的睡眠变量和身体成分之间的关系，考虑到一系列变量，包括生活方式变量、健康变量和生物因素。特罗姆瑟横断面人口研究是在挪威北部北极圈上方进行的。 6413 名 30-65 岁的人完成了问卷调查，包括自我报告的睡眠时间、生活方式和健康状况。他们还测量了身高、体重、腰围和臀围以及生物因素（非空腹血清胆固醇、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇、甘油三酯和葡萄糖）。研究时间为2007年10月1日至2008年12月19日。根据BMI和腰围，最佳睡眠时间为8-9小时。睡眠时间短的人（<6 小时）的 BMI ≥25 kg/m2 组的风险增加约 80%，与睡眠时间为 8-9 小时的人相比，男性睡眠时间短的人腰围≥102 厘米的风险增加了一倍。在控制健康、生活方式和生物参数后，我们发现时间类型或社会时差对体重指数或腹部肥胖没有影响。在我们的亚北极人群中，与超重和腹部肥胖风险相关的最佳睡眠时间为 8-9 小时，比其他研究的结果长了 1 小时。睡眠时间短的人超重的风险增加 80%，男性腹部肥胖的风险增加一倍。当我们考虑一系列生活方式、健康和生物变量时，我们发现时间型或社会时差与体重指数或腹部肥胖之间没有关联。
Sleep duration, chronotype and social jetlag have been associated with body mass index (BMI) and abdominal obesity. The optimal sleep duration regarding BMI has previously been found to be 7–8 hours, but these studies have not been carried out in the subarctic or have lacked some central variables. The aims of our study were to examine the associations between sleep variables and body composition for people living in the subarctic, taking a range of variables into consideration, including lifestyle variables, health variables and biological factors. The cross sectional population Tromsø Study was conducted in northern Norway, above the Arctic Circle. 6413 persons aged 30–65 years completed questionnaires including self-reported sleep times, lifestyle and health. They also measured height, weight, waist and hip circumference, and biological factors (non-fasting serum level of cholesterol, HDL-cholesterol, LDL-cholesterol, triglycerides and glucose). The study period was from 1 October 2007 to 19 December 2008. The optimal sleep length regarding BMI and waist circumference was found to be 8–9 hours. Short sleepers (<6 h) had about 80% increased risk of being in the BMI≥25 kg/m2 group and male short sleepers had doubled risk of having waist circumference ≥102 cm compared to 8–9 hours sleepers. We found no impact of chronotype or social jetlag on BMI or abdominal obesity after controlling for health, lifestyle, and biological parameters. In our subarctic population, the optimal sleep duration time regarding risk of overweight and abdominal obesity was 8–9 hours, which is one hour longer compared to findings from other studies. Short sleepers had 80% increased risk of being overweight, and men had a doubled risk of having abdominal obesity. We found no associations between chronotype or social jetlag and BMI or abdominal obesity, when we took a range of life-style, health and biological variables into consideration.
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影响因子：
4.8
作者：
Magee, Christopher A.;Caputi, Peter;Iverson, Don C.
通讯作者：
Iverson, Don C.
DOI：
10.1002/bs.3830190102
发表时间：
1974-01-01
期刊：
BEHAVIORAL SCIENCE
影响因子：
--
作者：
DEROGATIS, LR;LIPMAN, RS;COVI, L
通讯作者：
COVI, L
影响因子：
2.5
作者：
Kobayashi, Daiki;Takahashi, Osamu;Fukui, Tsuguya
通讯作者：
Fukui, Tsuguya
影响因子：
3.7
作者：
Leitzmann MF;Moore SC;Koster A;Harris TB;Park Y;Hollenbeck A;Schatzkin A
通讯作者：
Schatzkin A
影响因子：
4.9
作者：
Fogelholm, M.;Kronholm, E.;Harma, M.
通讯作者：
Harma, M.