Well, I bet Casey doesn't have scary dreams.
5 seconds sound clip from the Aliens (1986) movie soundboard.
You can hear this line at 01:31:53 in the Blu-ray version of the movie.
Quote context
[...]
- Get in. Scoot down. That's good.
- Now, you lie here and have a nap. You're very tired.
- I don't want to. I have scary dreams.
- Well, I bet Casey doesn't have scary dreams.
- Let's take a look. Nope. Nothing bad in there.
- See? Maybe you could just try to be like her, hmm?
- Ripley, she doesn't have bad dreams because she's just a piece of plastic.
- There.
[...]