Rowan Jacobsen

speaker

1,919 appearances 4 recordings 4 series first heard Jul 2022 last heard 26 Jun

Rowan Jacobsen’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 3 in all, peaking in Jun 2026 with 3.

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That cortisol level should sink.

Melatonin should rise so that we heal and we sleep.

And that diurnal pattern is super important.

And the way to strengthen that pattern is to have dark nights and bright days.

And we've been talking about the dark nights part of it for the past few years pretty successfully, I feel like.

But sometimes the bright days part gets left out of that conversation.

For sure.

Yeah, it makes a big difference.

And I do think it makes sense to think of it as a nutrient.

It's kind of the other input.

Like if you think about and I've spent a lot of my career writing about food and thinking about nutrients and what they did for you.

And obviously, we're very familiar with thinking about those inputs and how they impact health.

And obviously, oxygen, water, very important inputs.

You could argue that love is a really important input.

We need that social aspect for health.

But then if you think about what else is going in all the time, light is the other one, which, as you said, is more ephemeral.

So we tend to sort of ignore it a little bit.

But it turns out when you don't get that input,

it changes the whole way your body reacts to the day.

And so, you know, you can sort of like put the effects of light into like maybe three different buckets.

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