Mothers have been warned for years that sleeping with their newborn infant is a bad idea, because it increases the risk that the baby might die unexpectedly during the night.

多年来，母亲们一直被警告说，与她们的新生儿睡在一起是一个坏主意，因为这会增加婴儿夜间意外死亡的风险。

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Every night each one makes its own sleeping platform, or nest-except for the small infants, which sleep with their mothers until they are about three years old.

每天晚上，每只大猩猩都自己给自己收拾出睡觉的空台或安乐窝，当然婴儿猩猩则不用了，因为它们直到三岁左右还跟妈妈睡在一起。

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Yet even though these new moms are certifiably wiped out, they're not sleep-deprived: the 80 mothers surveyed reported getting 7.2 hours of sleep a night.

然而，虽然这些新妈妈很显然都非常疲惫，但是她们并不缺乏睡眠，接受调查的80位妈妈报告她们每晚睡眠时间为7.2小时。

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Many mothers value fathers doing night feeds with formula milk to relieve tiredness and share baby care.

BBC: Giving new life to the role of the father

Moms who stay up all night and then wake up early to fit in a run and blow-dry their hair are not better mothers than those who stayed up all night with their baby and are struggling because they're tired, she said.

CNN: The mommy morning compromise

And the way that I could describe the scene to you is basically in the middle of night the storm came, washed away their houses, mothers lost their children to the point where they lost count.

NPR: Wyclef Jean Describes Haiti's Devastation