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Want to lose that baby weight? Get some sleep
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Researchers presented a conundrum to new mothers on Monday, saying that women who want to lose the extra weight gained in pregnancy should try to get more sleep.
They found that mothers who slept five hours or less a day when their babies were six months old were three times more likely than more rested mothers to have kept on the extra weight at one year.
"We've known for some time that sleep deprivation is associated with weight gain and obesity in the general population, but this study shows that getting enough sleep -- even just two hours more -- may be as important as a healthy diet and exercise for new mothers to return to their pre-pregnancy weight," said Erica Gunderson of Kaiser Permanente, which runs hospitals and clinics in California.
Gunderson and colleagues studied 940 women taking part in a study of prenatal and postnatal health at Harvard Medical School in Boston.
The women who slept five hours or less a night when their babies were six months old were more likely to have kept on 11 pounds (5 kg) of weight one year after giving birth, they found.
Women who slept seven hours a night or more lost more weight, they reported in the American Journal of Epidemiology.
The researchers acknowledged this may pose a dilemma to new mothers, given that infants sleep so fitfully.
"With the results of this study, new mothers must be wondering, 'How can I get more sleep for both me and my baby?' Our team is working on new studies to answer this important question," said Dr. Matthew Gillman of Harvard Medical School and Harvard Pilgrim Health Care.
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(Agencies)
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研究人員于本周一稱，新媽媽們?nèi)绻霚p掉懷孕期間增加的體重，應(yīng)該多睡覺，這可要讓新媽媽們犯難了。
研究人員發(fā)現(xiàn)，在寶寶六個(gè)月大時(shí)，每天只睡五小時(shí)或不足五小時(shí)的媽媽在生完孩子一年后不能減掉多余體重的幾率是那些睡眠充分的媽媽的三倍。
“凱撒永久”醫(yī)療保健機(jī)構(gòu)的埃里卡?甘德森說：“我們知道，對(duì)于普通人群來說，睡眠不足會(huì)導(dǎo)致體重增加和肥胖，而我們的這項(xiàng)研究表明，女性在產(chǎn)后保持充足的睡眠有助于她們恢復(fù)孕前體重，這與健康飲食和鍛煉身體同等重要。哪怕每天多睡兩個(gè)小時(shí)，情況就會(huì)大不一樣。” “凱撒永久”醫(yī)療保健機(jī)構(gòu)在加利福尼亞開設(shè)有醫(yī)院和診所。
甘德森及其同事對(duì)940名女性進(jìn)行了研究，這些女性都參加過波士頓哈佛醫(yī)學(xué)院的產(chǎn)前及產(chǎn)后健康研究。
他們發(fā)現(xiàn)，在寶寶六個(gè)月大時(shí)，每晚只睡五小時(shí)或不足五小時(shí)的媽媽在生完孩子一年后更難減掉體重，她們在懷孕期間增加的11磅（5公斤）多余體重沒有減掉。
而每晚睡眠時(shí)間達(dá)七小時(shí)或七小時(shí)以上的媽媽減掉的體重更多。該研究報(bào)告在《美國流行病學(xué)》期刊上發(fā)表。
研究人員承認(rèn)這可能會(huì)讓新媽媽們?yōu)殡y，因?yàn)閶雰旱乃呤菙鄶嗬m(xù)續(xù)的。
哈佛醫(yī)學(xué)院及哈佛朝圣保健機(jī)構(gòu)的馬修?吉爾曼博士說：“新媽媽們知道這一研究結(jié)果后，一定會(huì)問，‘那怎樣才能既保證孩子的睡眠，又保證我的睡眠？’目前，我們的研究小組正在研究這一重要問題。”
（英語點(diǎn)津姍姍編輯）
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