A: I'm going to take a nap. B: You should unplug the phone. A: That's a good idea. B: Do you want me to wake you in an hour? A: No, thanks. Just let me sleep until I wake up. B: I'll start dinner at 6:00. A: Okay. I think I'll be awake by then. B: If not, your nose will wake you up. A: You mean I will smell the food cooking? B: You might even dream about dinner. A: I don't think I'm going to dream about anything. I'm really tired. B: Have a nice nap.