Regina Barber

That's Jade Wu, a behavioral sleep medicine psychologist and the author of the book Hello Sleep. And I called her up because I, and I suspect many of you short wavers, are about to put our bodies through that exhaustion again. In a few weeks, my partner and I are going to Australia and New Zealand, which has basically the opposite day and night cycle from here in D.C.

So we're going to be extremely jet-lagged.

So we're going to be extremely jet-lagged.

So we're going to be extremely jet-lagged.

Our bodies have billions of clocks. They're in our cells, our organs, our brains. And they make up our circadian rhythm.

Our bodies have billions of clocks. They're in our cells, our organs, our brains. And they make up our circadian rhythm.

Our bodies have billions of clocks. They're in our cells, our organs, our brains. And they make up our circadian rhythm.

So that symphony is making very distressing music.

So that symphony is making very distressing music.

So that symphony is making very distressing music.

That noise can mess up our basic bodily functions.

That noise can mess up our basic bodily functions.

That noise can mess up our basic bodily functions.

So today on the show, our circadian rhythm. how our bodies know when it's time to sleep, and what happens when we don't. I'm Regina Barber, and you're listening to Shortwave, the science podcast from NPR. So Jade, let's talk about like circadian rhythm a bit more, starting with like what's the natural circadian rhythm for humans?

So today on the show, our circadian rhythm. how our bodies know when it's time to sleep, and what happens when we don't. I'm Regina Barber, and you're listening to Shortwave, the science podcast from NPR. So Jade, let's talk about like circadian rhythm a bit more, starting with like what's the natural circadian rhythm for humans?

So today on the show, our circadian rhythm. how our bodies know when it's time to sleep, and what happens when we don't. I'm Regina Barber, and you're listening to Shortwave, the science podcast from NPR. So Jade, let's talk about like circadian rhythm a bit more, starting with like what's the natural circadian rhythm for humans?

What?

What?

What?

The Mars day is slightly over 24 hours. So, you know, those people with slightly longer ones, they can, you know, they can move to Mars. Yeah. Great. All right. So you talked about these like light cues and other cues. Like how does our body know when we should sleep?