Are You Sleepy?

Why don't you go to bed? B: I want to watch this

Maybe you should record it. B: The tape recorder is broken. A: Then you should watch the rerun. B: Why? I'm watching the original. A: But you'll be asleep in about one minute. B: I'm just yawning because the commercials are on. A: Okay. I'll tell you how the show ends. B: Zzz.