You're listening to Bulletproof Radio with Dave Asprey.

Today's cool fact of the day is that if it takes you while the recovery from a few

lost hours of sleep, be glad you're not an orb weaver spider.

They have the shortest natural circadian rhythm discovered in any animal so far.

Most of us have body clocks that run closer to a 24 hour day night cycle and light helps

you reset that.

But the orb weaver's body clock runs on an 18 hour cycle, which means that these little

spiders have to shift their cycle of activity and inactivity by about 5 hours every day just

to keep up with a normal solar cycle.

So be glad you're not a spider.

Today's podcast is the second half of the interview with Sachin Panda.

In the first half, we talk a lot about circadian lighting and things like that.

And today we're going to talk more about meal timing.

And it turns out that both food and light have a profound effect on what your body does,

how it's time your signal works.

So you'll learn a lot of really crazy stuff actually about the fact that when you eat

changes everything.

And I was just blown away by this interview.

I think you will be too.

When it comes to that, as you pointed out, just taking care of light exposure or less light

during nighttime or more light during the daytime is really key to keeping our brain circadian

clock functional.

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