https://www.theguardian.com/lifeandstyle/2023/oct/31/everything-from-our-sleep-to-our-hormones-relies-on-the-dark-so-why-are-we-so-intent-on-destroying-it

https://www.theguardian.com/lifeandstyle/2023/oct/31/everything-from-our-sleep-to-our-hormones-relies-on-the-dark-so-why-are-we-so-intent-on-destroying-it