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睡眠不足6小时可能会加倍死亡风险
众所周知，睡眠不足会严重危害身体健康、影响日常的精神状态。
研究人员警告说，如果睡眠时间不到6小时，可能会导致代谢综合征患者的死亡风险几乎翻倍，这与糖尿病，高血压和肥胖相关结合。
研究发现，睡眠超过6小时的代谢综合征患者中风死亡的可能性约为1.49倍。相反，那些睡眠不到六个小时的人比心脏病或中风死亡的可能性高出大约2.1倍。
研究人员说，对于那些睡得更多的人来说，死亡风险更为温和。
与没有代谢综合征的那些相比，具有代谢综合征的短睡眠者也比任何原因死亡的可能性高出1.99倍。
对于在美国心脏协会杂志上发表的研究，该团队选择了1344名成年人（平均年龄49岁，42％的男性），他们同意在睡眠实验室度过一个晚上。
结果显示，39.2％的参与者至少有三个风险因素 -
体重指数（BMI）高于30，总胆固醇升高，血压升高，空腹血糖和甘油三酯水平升高。
在平均16.6岁的随访期间，22％的参与者死亡。
研究人员Fernandez-Mendoza说：“需要进一步的临床试验来确定是否延长睡眠，同时降低血压和葡萄糖，改善患有代谢综合征的人的预后。
附《timesofindia》原文摘录
Failing to
sleep less than six hours may nearly double the risk of death in
people with metabolic syndrome - a combination of diabetes, high
blood pressure and obesity, researchers have
warned.
A study found
that people with metabolic syndrome who slept for more than six
hours were about 1.49 times more likely to die of
stroke.
Conversely,
those who slept less than six hours were about 2.1 times more
likely to die of heart disease or stroke.
For those
who got more sleep, the risk of death was more modest, the
researchers said.
The short
sleepers with metabolic syndrome were also 1.99 times more likely
to die from any cause compared to those without metabolic
syndrome.
"If you
have several heart disease risk factors, taking care of your sleep
and consulting with a clinician if you have insufficient sleep is
important if you want to lower your risk of death from heart
disease or stroke," said lead author Julio Fernandez-Mendoza,
Assistant Professor at the University of
Pennsylvania.
For the
study, published in the Journal of the American Heart Association,
the team selected 1,344 adults (average age 49 years, 42 per cent
male) who agreed to spend one night in a sleep
laboratory.
The
results showed that 39.2 per cent of the participants had at least
three of the risk factors -- body mass index (BMI) higher than 30
and elevated total cholesterol, blood pressure, fasting blood sugar
and triglyceride levels.
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During an
average follow-up of 16.6 years, 22 per cent of the participants
died.
"Future
clinical trials are needed to determine whether lengthening sleep,
in combination with lowering blood pressure and glucose, improves
the prognosis of people with the metabolic syndrome,"
Fernandez-Mendoza said.
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