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.

• 他们发现，在宝宝六个月大时，每晚只睡五小时或不足五小时的妈妈在生完孩子一年后更难减掉体重，她们在怀孕期间增加的11磅（5公斤）多余体重没有减掉。