Most residents were sleeping when the earthen dam collapsed, sending 70 million cubic feet of water crashed down on their homes.

VOA: standard.2009.03.27

You remember, thalidomide is the drug which was actually really most used as sleeping aid that when pregnant women took were shown to produce deformities, children who were born without limbs for example.

你应该知道这种药品,实际上它是用来辅助睡眠的,但是，如果孕妇吃了这种药,就可能造成胎儿畸形，可能生出来的婴儿是没有四肢的。

普林斯顿公开课 - 人性课程节选

In Kabul,police say a father, mother and one of their three sleeping children died late Sunday when their house was hit by a rocket.

VOA: standard.2009.09.07

"When I was sleeping I heard a knock at my door, and I opened my door and two men were there and gave me a pouch and said, 'A gift for you.'" The prosecutor asked Campbell if she knew who the gift was from.

VOA: standard.2010.08.05