- Good night, darling.
- Good night, Daddy.
- Sleep tight, honey.

5 seconds sound clip from the The Big Heat (1953) movie soundboard.

You can hear this line at 00:49:38.651 in the Blu-ray version of the movie.

Quote context

[...]

- No last name, huh?

- No.

- He just said to tell Slim to call him at a place... Oh, it was a peculiar name. Something like a monastery. Oh, you know, where people go off alone to think.

- The Retreat?

- That's it. He said to call him at The Retreat.

- I'm very grateful, Miss...

- Parker. Selma Parker.

- Miss Parker. You've been most helpful.

- Well, I'm glad.

- Good luck, Mr. Bannion.

- Thank you.

- Shall we say good night to Daddy and put baby to bed now?

- Yes.

- Good night, darling.

- Good night, Daddy.

- Sleep tight, honey.

- Thanks, Marge.

- You bet.

- Good night, Joyce.

- Good night.

- Say, Al, do me a favor, will you? Call this number here at exactly 9:30 on the dot, will you? And ask for Larry. Here.

- Larry who?

- That's what I'm trying to find out. Larry is all I know.

- Is it a lead?

- I'm hoping so.

[...]