The article itself is kind of trash, but there is some semi-decent science behind the idea. https://www.healthline.com/nutrition/block-blue-light-to-sleep-bett

The article itself is kind of trash, but there is some semi-decent science behind the idea. https://www.healthline.com/nutrition/block-blue-light-to-sleep-better https://www.healthline.com/nutrition/block-blue-light-to-sle... Blue light disrupting sleep is definitely a real thing, and studies so far suggest that using glasses to counter the effect can work, though (as detailed in the PubMed article which the Healthline article laudably cites) those studies have so far been too small/weak to prove any such thing.