I can't believe you got them all to sleep.
4 seconds sound clip from the Kindergarten Cop (1990) movie soundboard.
You can hear this line at 00:56:19 in the Blu-ray version of the movie.
Quote context
[...]
- Hi. (2)
- Hi. (3)
- I didn't mean to startle you.
- I can't believe you got them all to sleep.
- I was wondering if you'd like to come to my place for dinner tomorrow night.
- Great. Well, here are the directions.
[...]