睡眠不足6小時可能會加倍死亡風險
眾所周知,睡眠不足會嚴重危害身體健康、影響日常的精神狀態(tài)。
研究人員警告說,如果睡眠時間不到6小時,可能會導致代謝綜合征患者的死亡風險幾乎翻倍,這與糖尿病,高血壓和肥胖相關結合。
研究發(fā)現(xiàn),睡眠超過6小時的代謝綜合征患者中風死亡的可能性約為1.49倍。相反,那些睡眠不到六個小時的人比心臟病或中風死亡的可能性高出大約2.1倍。
研究人員說,對于那些睡得更多的人來說,死亡風險更為溫和。
與沒有代謝綜合征的那些相比,具有代謝綜合征的短睡眠者也比任何原因死亡的可能性高出1.99倍。
對于在美國心臟協(xié)會雜志上發(fā)表的研究,該團隊選擇了1344名成年人(平均年齡49歲,42%的男性),他們同意在睡眠實驗室度過一個晚上。
結果顯示,39.2%的參與者至少有三個風險因素 -
體重指數(shù)(BMI)高于30,總膽固醇升高,血壓升高,空腹血糖和甘油三酯水平升高。
在平均16.6歲的隨訪期間,22%的參與者死亡。
研究人員Fernandez-Mendoza說:“需要進一步的臨床試驗來確定是否延長睡眠,同時降低血壓和葡萄糖,改善患有代謝綜合征的人的預后。
附《timesofindia》原文摘錄
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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