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Sleeping fewer than 8 hours linked to beer belly risk
睡眠不足8小時或容易長“啤酒肚”
People who do not get enough sleep every night are more likely to suffer a pot belly, a new study suggests.
一項新的研究顯示，經常睡眠不足的人更容易長“啤酒肚”。
An international team of scientists gathered health data from more than 5,000 adults - half male, half female, who participated in two rounds of the US National Health and Nutrition Examination Survey in 2011 and 2013.
一個由多國研究人員組成的團隊收集了5000多名成年人的健康數據，男女各占一半，他們均參與了2011年和2013年美國全國健康和營養調查。
The average age of participants was about 37, and the average amount of sleep they got was a little less than seven hours.
研究對象平均年齡約為37歲，日均睡眠時長略微不足7小時。
Getting enough sleep, ideally about eight hours per night, was associated with a lower concentration of dangerous visceral fat that forms around the organs.
研究人員發現，睡眠持續時間和內臟脂肪量之間存在明顯負相關：睡眠時間越少，內臟脂肪越多。
The benefit appeared to plateau at eight hours.
兩者關系在每天睡眠時間不小于8小時時趨于平穩。
Visceral fat is the most dangerous type, leaking fatty acids into the bloodstream.
內臟脂肪是人體內最危險的脂肪之一。
It differs from the less dangerous subcutaneous fat that accumulates just below the skin’s surface and is responsible for wobbly fat and cellulite.
與會讓人看起來肥胖的皮下脂肪不同，內臟脂肪從外觀看起來并不明顯，但會提升患高血壓、肥胖、高膽固醇和胰島素抵抗等代謝疾病的風險。
Getting too little sleep leads to abnormal regulation of activity in different parts of the brain that affect the reward center, sleep, and appetite, which may explain the link between sleep deprivation and visceral body fat storage.
研究人員猜測，睡眠太少會導致大腦多個部分的活動調節異常，影響大腦產生獎勵或愉悅的感覺。它還會導致降低食欲的激素減少，向大腦發出進食信號的激素增加，使人攝入更多熱量。
Insufficient sleep leads to insulin resistance, which many scientists have suggested is linked to high visceral fat.
另外，它還可能會導致胰島素抵抗，這些都與內臟脂肪增加有關。
Dr Panagiotis Giannos said: “Our study adds to emerging evidence suggesting a prominent link between sleep deprivation and weight gain, which could be clinically significant.”
參與研究的帕納約蒂斯?詹諾斯博士說，這項研究為睡眠不足和體重增加之間存在明顯聯系的觀點提供了新證據，可能具有臨床意義。
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