- Perhaps you're not getting enough sleep. Come later tomorrow, say midday.
- Thank you, monsieur.

5 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.

You can hear this line at 00:20:20.537 in the Blu-ray version of the movie.

Quote context

[...]

- But I must announce the time to Signor Ferretti or he'll keep his students for hours.

- It's 11:00, Signor Ferretti.

- Thank you.

- Mademoiselle, you disappoint me this morning.

- I'm sorry. I'm a little upset.

- If some man is upsetting you, pitch him out of your life. Music is first. Music is everything.

- I understand.

- You don't understand. Women never understand. But they are docile.

- Perhaps you're not getting enough sleep. Come later tomorrow, say midday.

- Thank you, monsieur.

- Mademoiselle, remember you have responsibilities to others as well as yourself.

- I know.

- I can never repay you for what you've done for me. Good day, monsieur.

- Good day.

- Would you come this way, monsieur? Monsieur Claudin is here, Signor Ferretti.

- Oh! Come in, Claudin. Come in. Won't you sit down a moment?

- Thank you.

[...]