BBC Sounds, Music, Radio, Podcasts. Morning, Chris. How are you doing today? I'm more tired than you. Don't play this card. I just played it. Here we go. No, go and do it. Say what you always say. Slect on the floor. The baby makes you sleep on the floor. You're in charge. You're the parent. I'm yours. I have two under two. They don't make me sleep on the floor.

She goes to this. She goes to this. She goes, Daddy floor. Daddy lie down. Daddy floor lie down.

And then she reaches out so I lie there and I can off and dose off. And then to fall asleep, what she likes to do is play with my face. And she likes to stick a thumb right in my eyeball.

It's not a competition.

If it was, I would win.

Well, Zand, what better condition could we be in to look back at our episode on sleep deprivation

with the wonderful friend of the show, Professor Russell Foster from Oxford University.

I've got to say, every time I'm tired, so all the time.

Yes. I think about Russell. He was fantastic.

He lives fully rent-free in my brain.

He was fantastic in explaining why we can relax a bit when it comes to sleep or sleep deprivation.

The idea that we have to have this golden eight hours of uninterrupted sleep is, I think, misleading.

And part of the reason I wrote Lifetime, I was absolutely fed up with the sergeant majors of sleep, screaming,

you know, you must do this, you can't do that, based on very little science.

So we have historical...

Is that your...

The sergeant majors of sleep is an incredibly funny idea.

Is that your idea?

I think so.

Oh, that's so nice.

You're the people screaming at you.

Screaming it.

...