How to optimize your circadian rhythm
Life Kit
NPR
4.3 • 3.9K Ratings
🗓️ 4 December 2025
⏱️ 17 minutes
🧾️ Download transcript
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Transcript
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| 0:00.0 | This message comes from TED Talks Daily, a podcast from TED, bringing you new ideas every day through TED Talks and conversations. |
| 0:08.2 | Learn about the ideas shaping humanity, from connecting with your inner monologue to unlocking healthy love. |
| 0:14.7 | Listen to TED Talks Daily. |
| 0:17.0 | You're listening to LifeKit from NPR. |
| 0:24.1 | Hey, everybody. You're listening to Life Kit from NPR. Hey everybody, it's Mariel. |
| 0:26.8 | You guys, I've been trying so hard to make my bedroom pitch black when I sleep. |
| 0:31.3 | But I am fighting an uphill battle. |
| 0:33.7 | I have blackout shades and curtains over them. |
| 0:35.8 | But the streetlight on my block shines directly into my window, and the light somehow sneaks around the edges of the barriers I've created. |
| 0:43.6 | Also, light gets in through my living room windows and then creeps under my bedroom door. |
| 0:48.9 | Yeah, okay, I'm being a little over the top here, but once my eyes adjust at night, it's not actually that dark in my room. |
| 0:56.0 | A lot of us are in this situation. In modern society, we are bombarded with light in the |
| 1:00.5 | evenings, and there's research showing this can end up having big consequences for our overall |
| 1:05.2 | health. I talked with NPR health correspondent Willstone last December when these findings first |
| 1:10.7 | came out. |
| 1:11.5 | We'll have that conversation after the break. |
| 1:15.0 | Thriving in the face of adversity, that's something the incredible species of our world do every day. |
| 1:20.9 | I'm Chris Morgan. Join me on the Wild as we explore stories of hope and resilience in nature |
| 1:25.9 | and what they can teach us about ourselves and each other. |
| 1:29.7 | Listen to the Wild from KU.O.W. in Seattle, part of the NPR network. |
| 1:34.8 | This message comes from TED Health, a podcast from TED. Every week on TED Health, Dr. Shoshana |
| 1:40.8 | Ungerlider introduces you to leading health experts who break down your burning health questions with the newest medical breakthroughs. |
... |
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