She started having health issues. She couldn't sleep.

VOA: special.2010.04.22

No, I don't... I don't sleep.

VOA: standard.other

And,if you wish someone good night, you might say, "sleep tight -- don't let the bed bugs bite."

VOA: special.2009.06.28

"One of his famous stories: you can't go to sleep with a full stomach with your neighbor hungry.

VOA: standard.2010.05.20

they don't get much sleep when they're here because they're working."

VOA: standard.2010.02.26