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# This Week In Lights Out: Light, Amino, Hormone, Myth
- URL: https://lights-out.ghost.io/week-in-review-sept-4/
- Published: 2026-09-05T00:30:59.000Z
- Updated: 2026-09-05T00:30:58.000Z
- Description: A hundred lux, 897 participants, one hormone that falls early, and the lab study that ruined the long-weekend lie-in. Everything worth keeping from all of it.
- Author: Claire Ashton
- Tags: Week In Review

| Four issues went out this week, and not one of them asked you to try harder. Every fix was already sitting in the room, on the label, or in your own biology, waiting for somebody to name it. If you read nothing else before the long weekend starts, read the four cards below. Each one is the piece worth keeping. THE WEEK IN FOUR CARDS MONDAY Your "dark" bedroom still leaks enough light to raise your heart rate. Run a two-minute lights-off scan and tape over every indicator LED you find, because 100 lux was enough to shift insulin the next morning. [READ THE ISSUE](https://lights-out.ghost.io/bedroom-light-heart-rate-insulin/) TUESDAY The calm in your matcha is an amino acid, sold to you bolted to caffeine. Take L-theanine at 200 mg on its own, an hour before lights-out, and stop expecting a 50 mg dusting inside a blend to do the same job. [READ THE ISSUE](https://lights-out.ghost.io/l-theanine-sleep-dose-caffeine/) WEDNESDAY Progesterone falls years before your cycle changes, and takes your sleep with it. Log your wake time and your cycle day for fourteen nights, so the pattern arrives at your appointment as evidence rather than as a feeling. [READ THE ISSUE](https://lights-out.ghost.io/perimenopause-progesterone-sleep/) THURSDAY A long weekend will not undo your sleep debt, and a lab study settled it. Keep your wake time within an hour of normal across the holiday, and close the gap by turning in earlier instead of sleeping in later. [READ THE ISSUE](https://lights-out.ghost.io/weekend-catch-up-sleep-myth/) Four separate subjects, and the same answer sitting under all of them. The fixing was never expensive. Knowing what to fix was. If you only do one thing: stand in your bedroom with every light off, and count what is still glowing. WEEKEND CHALLENGE Pick one wake-up time for the entire long weekend, and set an alarm for it. Still tired? Close the gap by turning in fifteen minutes earlier each night instead of pressing snooze, and see how different Tuesday feels this time. QUICK QUESTION Did you try any of this week's hacks? [YES](mailto:Claire%20Ashton%20%3Cmeloucou@gmail.com%3E?subject=Yes%20-%20I%20Tried%20One&body=Yes%2C%20here%27s%20the%20one%20I%20tried.) [NO](mailto:Claire%20Ashton%20%3Cmeloucou@gmail.com%3E?subject=No%20-%20Not%20Yet&body=No%2C%20not%20yet.) Sleep well,Claire Ashton |
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